122311105554019 has 2 divisors, whose sum is σ = 122311105554020. Its totient is φ = 122311105554018.

The previous prime is 122311105553993. The next prime is 122311105554179. The reversal of 122311105554019 is 910455501113221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122311105554019 - 2²⁷ = 122310971336291 is a prime.

It is a super-2 number, since 2×122311105554019² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122311105554619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61155552777009 + 61155552777010.

It is an arithmetic number, because the mean of its divisors is an integer number (61155552777010).

Almost surely, 2^{122311105554019} is an apocalyptic number.

122311105554019 is a deficient number, since it is larger than the sum of its proper divisors (1).

122311105554019 is an equidigital number, since it uses as much as digits as its factorization.

122311105554019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 40.

The spelling of 122311105554019 in words is "one hundred twenty-two trillion, three hundred eleven billion, one hundred five million, five hundred fifty-four thousand, nineteen".