122231312113 has 4 divisors (see below), whose sum is σ = 123703978608. Its totient is φ = 120758645620.

The previous prime is 122231312059. The next prime is 122231312117. The reversal of 122231312113 is 311213132221.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122231312113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122231312117) 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, 736333123 + ... + 736333288.

It is an arithmetic number, because the mean of its divisors is an integer number (30925994652).

Almost surely, 2^122231312113 is an apocalyptic number.

It is an amenable number.

122231312113 is a deficient number, since it is larger than the sum of its proper divisors (1472666495).

122231312113 is an equidigital number, since it uses as much as digits as its factorization.

122231312113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472666494.

The product of its digits is 432, while the sum is 22.

Adding to 122231312113 its reverse (311213132221), we get a palindrome (433444444334).

The spelling of 122231312113 in words is "one hundred twenty-two billion, two hundred thirty-one million, three hundred twelve thousand, one hundred thirteen".