113314312121 has 4 divisors (see below), whose sum is σ = 116969612544. Its totient is φ = 109659011700.

The previous prime is 113314312109. The next prime is 113314312157. The reversal of 113314312121 is 121213413311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121213413311 = 17 ⋅7130200783.

It is a cyclic number.

It is not a de Polignac number, because 113314312121 - 2⁶ = 113314312057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113314312421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1827650165 + ... + 1827650226.

It is an arithmetic number, because the mean of its divisors is an integer number (29242403136).

Almost surely, 2^113314312121 is an apocalyptic number.

It is an amenable number.

113314312121 is a deficient number, since it is larger than the sum of its proper divisors (3655300423).

113314312121 is an equidigital number, since it uses as much as digits as its factorization.

113314312121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655300422.

The product of its digits is 432, while the sum is 23.

Adding to 113314312121 its reverse (121213413311), we get a palindrome (234527725432).

The spelling of 113314312121 in words is "one hundred thirteen billion, three hundred fourteen million, three hundred twelve thousand, one hundred twenty-one".