122100131 has 2 divisors, whose sum is σ = 122100132. Its totient is φ = 122100130.

The previous prime is 122100127. The next prime is 122100133. The reversal of 122100131 is 131001221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122100131 - 2² = 122100127 is a prime.

It is a super-2 number, since 2×122100131² = 29816883980434322, which contains 22 as substring.

Together with 122100133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122100133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050065 + 61050066.

It is an arithmetic number, because the mean of its divisors is an integer number (61050066).

Almost surely, 2^122100131 is an apocalyptic number.

122100131 is a deficient number, since it is larger than the sum of its proper divisors (1).

122100131 is an equidigital number, since it uses as much as digits as its factorization.

122100131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 122100131 is about 11049.8928049099. The cubic root of 122100131 is about 496.1032170619.

Adding to 122100131 its reverse (131001221), we get a palindrome (253101352).

The spelling of 122100131 in words is "one hundred twenty-two million, one hundred thousand, one hundred thirty-one".