122131113100 has 36 divisors (see below), whose sum is σ = 266803236000. Its totient is φ = 48524570560.

The previous prime is 122131113079. The next prime is 122131113107. The reversal of 122131113100 is 1311131221.

It is a happy number.

It is a super-2 number, since 2×122131113100² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122131113107) 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, 4083460 + ... + 4113259.

It is an arithmetic number, because the mean of its divisors is an integer number (7411201000).

Almost surely, 2^122131113100 is an apocalyptic number.

122131113100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122131113100 is an abundant number, since it is smaller than the sum of its proper divisors (144672122900).

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

122131113100 is a wasteful number, since it uses less digits than its factorization.

122131113100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8196882 (or 8196875 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 122131113100 its reverse (1311131221), we get a palindrome (123442244321).

The spelling of 122131113100 in words is "one hundred twenty-two billion, one hundred thirty-one million, one hundred thirteen thousand, one hundred".