122333112991 has 2 divisors, whose sum is σ = 122333112992. Its totient is φ = 122333112990.

The previous prime is 122333112959. The next prime is 122333113051. The reversal of 122333112991 is 199211333221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122333112991 - 2⁵ = 122333112959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122333112991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122333112911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61166556495 + 61166556496.

It is an arithmetic number, because the mean of its divisors is an integer number (61166556496).

Almost surely, 2^122333112991 is an apocalyptic number.

122333112991 is a deficient number, since it is larger than the sum of its proper divisors (1).

122333112991 is an equidigital number, since it uses as much as digits as its factorization.

122333112991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 37.

The spelling of 122333112991 in words is "one hundred twenty-two billion, three hundred thirty-three million, one hundred twelve thousand, nine hundred ninety-one".