122555234022191 has 2 divisors, whose sum is σ = 122555234022192. Its totient is φ = 122555234022190.

The previous prime is 122555234022121. The next prime is 122555234022203. The reversal of 122555234022191 is 191220432555221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122555234022191 - 2²⁶ = 122555166913327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122555234022121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61277617011095 + 61277617011096.

It is an arithmetic number, because the mean of its divisors is an integer number (61277617011096).

Almost surely, 2^{122555234022191} is an apocalyptic number.

122555234022191 is a deficient number, since it is larger than the sum of its proper divisors (1).

122555234022191 is an equidigital number, since it uses as much as digits as its factorization.

122555234022191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 122555234022191 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred thirty-four million, twenty-two thousand, one hundred ninety-one".