122102112091 has 2 divisors, whose sum is σ = 122102112092. Its totient is φ = 122102112090.

The previous prime is 122102112049. The next prime is 122102112101. The reversal of 122102112091 is 190211201221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122102112091 - 2²³ = 122093723483 is a prime.

It is not a weakly prime, because it can be changed into another prime (122102112001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61051056045 + 61051056046.

It is an arithmetic number, because the mean of its divisors is an integer number (61051056046).

Almost surely, 2^122102112091 is an apocalyptic number.

122102112091 is a deficient number, since it is larger than the sum of its proper divisors (1).

122102112091 is an equidigital number, since it uses as much as digits as its factorization.

122102112091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 122102112091 in words is "one hundred twenty-two billion, one hundred two million, one hundred twelve thousand, ninety-one".