113122131321 has 16 divisors (see below), whose sum is σ = 156142224000. Its totient is φ = 72762119808.

The previous prime is 113122131313. The next prime is 113122131359. The reversal of 113122131321 is 123131221311.

It is not a de Polignac number, because 113122131321 - 2³ = 113122131313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113122151321) 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, 342996 + ... + 586421.

It is an arithmetic number, because the mean of its divisors is an integer number (9758889000).

Almost surely, 2^113122131321 is an apocalyptic number.

It is an amenable number.

113122131321 is a deficient number, since it is larger than the sum of its proper divisors (43020092679).

113122131321 is a wasteful number, since it uses less digits than its factorization.

113122131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930848.

The product of its digits is 216, while the sum is 21.

Adding to 113122131321 its reverse (123131221311), we get a palindrome (236253352632).

The spelling of 113122131321 in words is "one hundred thirteen billion, one hundred twenty-two million, one hundred thirty-one thousand, three hundred twenty-one".