122311120131 has 12 divisors (see below), whose sum is σ = 176685374008. Its totient is φ = 81534397824.

The previous prime is 122311120123. The next prime is 122311120159. The reversal of 122311120131 is 131021113221.

122311120131 is a `hidden beast` number, since 122 + 311 + 1 + 201 + 31 = 666.

It is not a de Polignac number, because 122311120131 - 2³ = 122311120123 is a prime.

It is a super-2 number, since 2×122311120131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122311120171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405550 + ... + 639603.

Almost surely, 2^122311120131 is an apocalyptic number.

122311120131 is a deficient number, since it is larger than the sum of its proper divisors (54374253877).

122311120131 is a wasteful number, since it uses less digits than its factorization.

122311120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058162 (or 1058159 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 122311120131 its reverse (131021113221), we get a palindrome (253332233352).

The spelling of 122311120131 in words is "one hundred twenty-two billion, three hundred eleven million, one hundred twenty thousand, one hundred thirty-one".