122344440102991 has 2 divisors, whose sum is σ = 122344440102992. Its totient is φ = 122344440102990.

The previous prime is 122344440102887. The next prime is 122344440103031. The reversal of 122344440102991 is 199201044443221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122344440102991 - 2³⁵ = 122310080364623 is a prime.

It is a super-3 number, since 3×122344440102991³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122344440102191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61172220051495 + 61172220051496.

It is an arithmetic number, because the mean of its divisors is an integer number (61172220051496).

Almost surely, 2^{122344440102991} is an apocalyptic number.

122344440102991 is a deficient number, since it is larger than the sum of its proper divisors (1).

122344440102991 is an equidigital number, since it uses as much as digits as its factorization.

122344440102991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 122344440102991 in words is "one hundred twenty-two trillion, three hundred forty-four billion, four hundred forty million, one hundred two thousand, nine hundred ninety-one".