2210113021 has 8 divisors (see below), whose sum is σ = 2260662104. Its totient is φ = 2160025920.

The previous prime is 2210113019. The next prime is 2210113027. The reversal of 2210113021 is 1203110122.

It can be written as a sum of positive squares in 4 ways, for example, as 89510521 + 2120602500 = 9461^2 + 46050^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2210113021 - 2¹ = 2210113019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210112992 and 2210113010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210113027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105810 + ... + 124963.

It is an arithmetic number, because the mean of its divisors is an integer number (282582763).

Almost surely, 2^2210113021 is an apocalyptic number.

It is an amenable number.

2210113021 is a deficient number, since it is larger than the sum of its proper divisors (50549083).

2210113021 is a wasteful number, since it uses less digits than its factorization.

2210113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230991.

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

The square root of 2210113021 is about 47011.8391578122. The cubic root of 2210113021 is about 1302.5812659485.

Adding to 2210113021 its reverse (1203110122), we get a palindrome (3413223143).

The spelling of 2210113021 in words is "two billion, two hundred ten million, one hundred thirteen thousand, twenty-one".