113311310021 has 16 divisors (see below), whose sum is σ = 146800080000. Its totient is φ = 84934329408.

The previous prime is 113311310017. The next prime is 113311310033. The reversal of 113311310021 is 120013113311.

It is a cyclic number.

It is not a de Polignac number, because 113311310021 - 2² = 113311310017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113311310041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32766146 + ... + 32769603.

It is an arithmetic number, because the mean of its divisors is an integer number (9175005000).

Almost surely, 2^113311310021 is an apocalyptic number.

It is an amenable number.

113311310021 is a deficient number, since it is larger than the sum of its proper divisors (33488769979).

113311310021 is a wasteful number, since it uses less digits than its factorization.

113311310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65535788.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 113311310021 its reverse (120013113311), we get a palindrome (233324423332).

The spelling of 113311310021 in words is "one hundred thirteen billion, three hundred eleven million, three hundred ten thousand, twenty-one".