122277253831 has 2 divisors, whose sum is σ = 122277253832. Its totient is φ = 122277253830.

The previous prime is 122277253799. The next prime is 122277253837. The reversal of 122277253831 is 138352772221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122277253831 - 2⁵ = 122277253799 is a prime.

It is a super-2 number, since 2×122277253831² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122277253837) 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 as a sum of consecutive naturals, namely, 61138626915 + 61138626916.

It is an arithmetic number, because the mean of its divisors is an integer number (61138626916).

Almost surely, 2^122277253831 is an apocalyptic number.

122277253831 is a deficient number, since it is larger than the sum of its proper divisors (1).

122277253831 is an equidigital number, since it uses as much as digits as its factorization.

122277253831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 43.

The spelling of 122277253831 in words is "one hundred twenty-two billion, two hundred seventy-seven million, two hundred fifty-three thousand, eight hundred thirty-one".