122120121199 has 2 divisors, whose sum is σ = 122120121200. Its totient is φ = 122120121198.

The previous prime is 122120121191. The next prime is 122120121241. The reversal of 122120121199 is 991121021221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122120121199 - 2³ = 122120121191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122120121199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122120121191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060060599 + 61060060600.

It is an arithmetic number, because the mean of its divisors is an integer number (61060060600).

Almost surely, 2^122120121199 is an apocalyptic number.

122120121199 is a deficient number, since it is larger than the sum of its proper divisors (1).

122120121199 is an equidigital number, since it uses as much as digits as its factorization.

122120121199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 122120121199 in words is "one hundred twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, one hundred ninety-nine".