113313113121 has 16 divisors (see below), whose sum is σ = 171269483840. Its totient is φ = 66061085760.

The previous prime is 113313113117. The next prime is 113313113149. The reversal of 113313113121 is 121311313311.

It is not a de Polignac number, because 113313113121 - 2² = 113313113117 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113313113021) 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, 76458850 + ... + 76460331.

It is an arithmetic number, because the mean of its divisors is an integer number (10704342740).

Almost surely, 2^113313113121 is an apocalyptic number.

It is an amenable number.

113313113121 is a deficient number, since it is larger than the sum of its proper divisors (57956370719).

113313113121 is a wasteful number, since it uses less digits than its factorization.

113313113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152919216.

The product of its digits is 162, while the sum is 21.

Adding to 113313113121 its reverse (121311313311), we get a palindrome (234624426432).

The spelling of 113313113121 in words is "one hundred thirteen billion, three hundred thirteen million, one hundred thirteen thousand, one hundred twenty-one".