113512004121 has 32 divisors (see below), whose sum is σ = 167330361600. Its totient is φ = 68081485824.

The previous prime is 113512004113. The next prime is 113512004161. The reversal of 113512004121 is 121400215311.

It is not a de Polignac number, because 113512004121 - 2³ = 113512004113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113512004101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1785741 + ... + 1848213.

It is an arithmetic number, because the mean of its divisors is an integer number (5229073800).

Almost surely, 2^113512004121 is an apocalyptic number.

It is an amenable number.

113512004121 is a deficient number, since it is larger than the sum of its proper divisors (53818357479).

113512004121 is a wasteful number, since it uses less digits than its factorization.

113512004121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64065.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 113512004121 its reverse (121400215311), we get a palindrome (234912219432).

The spelling of 113512004121 in words is "one hundred thirteen billion, five hundred twelve million, four thousand, one hundred twenty-one".