122131320202291 has 2 divisors, whose sum is σ = 122131320202292. Its totient is φ = 122131320202290.

The previous prime is 122131320202259. The next prime is 122131320202319. The reversal of 122131320202291 is 192202023131221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122131320202291 - 2⁵ = 122131320202259 is a prime.

It is not a weakly prime, because it can be changed into another prime (122131320202091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61065660101145 + 61065660101146.

It is an arithmetic number, because the mean of its divisors is an integer number (61065660101146).

Almost surely, 2^{122131320202291} is an apocalyptic number.

122131320202291 is a deficient number, since it is larger than the sum of its proper divisors (1).

122131320202291 is an equidigital number, since it uses as much as digits as its factorization.

122131320202291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 122131320202291 in words is "one hundred twenty-two trillion, one hundred thirty-one billion, three hundred twenty million, two hundred two thousand, two hundred ninety-one".