1202210113 has 4 divisors (see below), whose sum is σ = 1294687828. Its totient is φ = 1109732400.

The previous prime is 1202210057. The next prime is 1202210147. The reversal of 1202210113 is 3110122021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3110122021 = 1223 ⋅2543027.

It can be written as a sum of positive squares in 2 ways, for example, as 192432384 + 1009777729 = 13872^2 + 31777^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202210113 - 2⁹ = 1202209601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 92477701 = 1202210113 / (1 + 2 + 0 + 2 + 2 + 1 + 0 + 1 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202210093 and 1202210102.

It is not an unprimeable number, because it can be changed into a prime (1202210153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46238838 + ... + 46238863.

It is an arithmetic number, because the mean of its divisors is an integer number (323671957).

Almost surely, 2^1202210113 is an apocalyptic number.

1202210113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1202210113 is a deficient number, since it is larger than the sum of its proper divisors (92477715).

1202210113 is an equidigital number, since it uses as much as digits as its factorization.

1202210113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92477714.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1202210113 is about 34672.9017101252. The cubic root of 1202210113 is about 1063.3105567219.

Adding to 1202210113 its reverse (3110122021), we get a palindrome (4312332134).

The spelling of 1202210113 in words is "one billion, two hundred two million, two hundred ten thousand, one hundred thirteen".