122311105431108 has 48 divisors (see below), whose sum is σ = 311845250773056. Its totient is φ = 37003508069760.

The previous prime is 122311105431107. The next prime is 122311105431139. The reversal of 122311105431108 is 801134501113221.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (122311105431101) 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, 755709691 + ... + 755871522.

It is an arithmetic number, because the mean of its divisors is an integer number (6496776057772).

Almost surely, 2^{122311105431108} is an apocalyptic number.

It is an amenable number.

122311105431108 is an abundant number, since it is smaller than the sum of its proper divisors (189534145341948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122311105431108 is a wasteful number, since it uses less digits than its factorization.

122311105431108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511581844 (or 1511581842 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

Adding to 122311105431108 its reverse (801134501113221), we get a palindrome (923445606544329).

The spelling of 122311105431108 in words is "one hundred twenty-two trillion, three hundred eleven billion, one hundred five million, four hundred thirty-one thousand, one hundred eight".