113023113021 has 64 divisors (see below), whose sum is σ = 218204582400. Its totient is φ = 56109708288.

The previous prime is 113023113017. The next prime is 113023113053. The reversal of 113023113021 is 120311320311.

113023113021 is a `hidden beast` number, since 1 + 1 + 302 + 311 + 30 + 21 = 666.

It is not a de Polignac number, because 113023113021 - 2² = 113023113017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113023112985 and 113023113003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113023113011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1311186 + ... + 1394723.

It is an arithmetic number, because the mean of its divisors is an integer number (3409446600).

Almost surely, 2^113023113021 is an apocalyptic number.

It is an amenable number.

113023113021 is a deficient number, since it is larger than the sum of its proper divisors (105181469379).

113023113021 is a wasteful number, since it uses less digits than its factorization.

113023113021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705955 (or 2705949 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 113023113021 its reverse (120311320311), we get a palindrome (233334433332).

The spelling of 113023113021 in words is "one hundred thirteen billion, twenty-three million, one hundred thirteen thousand, twenty-one".