121000122239 has 2 divisors, whose sum is σ = 121000122240. Its totient is φ = 121000122238.

The previous prime is 121000122167. The next prime is 121000122247. The reversal of 121000122239 is 932221000121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121000122239 - 2²⁸ = 120731686783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121000122259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500061119 + 60500061120.

It is an arithmetic number, because the mean of its divisors is an integer number (60500061120).

Almost surely, 2^121000122239 is an apocalyptic number.

121000122239 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000122239 is an equidigital number, since it uses as much as digits as its factorization.

121000122239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 121000122239 in words is "one hundred twenty-one billion, one hundred twenty-two thousand, two hundred thirty-nine".