122113133251 has 2 divisors, whose sum is σ = 122113133252. Its totient is φ = 122113133250.

The previous prime is 122113133239. The next prime is 122113133327. The reversal of 122113133251 is 152331311221.

It is a weak prime.

It is an emirp because it is prime and its reverse (152331311221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122113133251 - 2²⁷ = 121978915523 is a prime.

It is not a weakly prime, because it can be changed into another prime (122113133221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61056566625 + 61056566626.

It is an arithmetic number, because the mean of its divisors is an integer number (61056566626).

Almost surely, 2^122113133251 is an apocalyptic number.

122113133251 is a deficient number, since it is larger than the sum of its proper divisors (1).

122113133251 is an equidigital number, since it uses as much as digits as its factorization.

122113133251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

Adding to 122113133251 its reverse (152331311221), we get a palindrome (274444444472).

The spelling of 122113133251 in words is "one hundred twenty-two billion, one hundred thirteen million, one hundred thirty-three thousand, two hundred fifty-one".