113113111321 has 16 divisors (see below), whose sum is σ = 132706727424. Its totient is φ = 94399524864.

The previous prime is 113113111261. The next prime is 113113111351. The reversal of 113113111321 is 123111311311.

It is a cyclic number.

It is not a de Polignac number, because 113113111321 - 2⁹ = 113113110809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113113111351) 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, 827200 + ... + 954193.

It is an arithmetic number, because the mean of its divisors is an integer number (8294170464).

Almost surely, 2^113113111321 is an apocalyptic number.

It is an amenable number.

113113111321 is a deficient number, since it is larger than the sum of its proper divisors (19593616103).

113113111321 is a wasteful number, since it uses less digits than its factorization.

113113111321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781640.

The product of its digits is 54, while the sum is 19.

Adding to 113113111321 its reverse (123111311311), we get a palindrome (236224422632).

The spelling of 113113111321 in words is "one hundred thirteen billion, one hundred thirteen million, one hundred eleven thousand, three hundred twenty-one".