1011101201 has 4 divisors (see below), whose sum is σ = 1103019504. Its totient is φ = 919182900.

The previous prime is 1011101167. The next prime is 1011101209. The reversal of 1011101201 is 1021011101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011101201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011101209) 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, 45959135 + ... + 45959156.

It is an arithmetic number, because the mean of its divisors is an integer number (275754876).

Almost surely, 2^1011101201 is an apocalyptic number.

1011101201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1011101201 is a deficient number, since it is larger than the sum of its proper divisors (91918303).

1011101201 is an equidigital number, since it uses as much as digits as its factorization.

1011101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91918302.

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1011101201 is about 31797.8175508949. The cubic root of 1011101201 is about 1003.6867911998.

Adding to 1011101201 its reverse (1021011101), we get a palindrome (2032112302).

The spelling of 1011101201 in words is "one billion, eleven million, one hundred one thousand, two hundred one".