122031011131 has 2 divisors, whose sum is σ = 122031011132. Its totient is φ = 122031011130.

The previous prime is 122031011087. The next prime is 122031011147. The reversal of 122031011131 is 131110130221.

It is a happy number.

It is an a-pointer prime, because the next prime (122031011147) can be obtained adding 122031011131 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122031011131 is a prime.

It is a super-2 number, since 2×122031011131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122031011191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61015505565 + 61015505566.

It is an arithmetic number, because the mean of its divisors is an integer number (61015505566).

Almost surely, 2^122031011131 is an apocalyptic number.

122031011131 is a deficient number, since it is larger than the sum of its proper divisors (1).

122031011131 is an equidigital number, since it uses as much as digits as its factorization.

122031011131 is an evil number, because the sum of its binary digits is even.

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

Adding to 122031011131 its reverse (131110130221), we get a palindrome (253141141352).

The spelling of 122031011131 in words is "one hundred twenty-two billion, thirty-one million, eleven thousand, one hundred thirty-one".