122311111015331 has 16 divisors (see below), whose sum is σ = 143712811216128. Its totient is φ = 101914691810400.

The previous prime is 122311111015283. The next prime is 122311111015337. The reversal of 122311111015331 is 133510111113221.

It is a happy number.

It is not a de Polignac number, because 122311111015331 - 2⁴² = 117913064504227 is a prime.

It is a super-2 number, since 2×122311111015331² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122311111015331.

It is not an unprimeable number, because it can be changed into a prime (122311111015337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 962849300 + ... + 962976321.

It is an arithmetic number, because the mean of its divisors is an integer number (8982050701008).

Almost surely, 2^{122311111015331} is an apocalyptic number.

122311111015331 is a deficient number, since it is larger than the sum of its proper divisors (21401700200797).

122311111015331 is a wasteful number, since it uses less digits than its factorization.

122311111015331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925825882.

The product of its (nonzero) digits is 540, while the sum is 26.

Adding to 122311111015331 its reverse (133510111113221), we get a palindrome (255821222128552).

The spelling of 122311111015331 in words is "one hundred twenty-two trillion, three hundred eleven billion, one hundred eleven million, fifteen thousand, three hundred thirty-one".