122821917075043 has 2 divisors, whose sum is σ = 122821917075044. Its totient is φ = 122821917075042.

The previous prime is 122821917075017. The next prime is 122821917075059. The reversal of 122821917075043 is 340570719128221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122821917075043 is a prime.

It is not a weakly prime, because it can be changed into another prime (122821917075943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61410958537521 + 61410958537522.

It is an arithmetic number, because the mean of its divisors is an integer number (61410958537522).

Almost surely, 2^{122821917075043} is an apocalyptic number.

122821917075043 is a deficient number, since it is larger than the sum of its proper divisors (1).

122821917075043 is an equidigital number, since it uses as much as digits as its factorization.

122821917075043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 122821917075043 in words is "one hundred twenty-two trillion, eight hundred twenty-one billion, nine hundred seventeen million, seventy-five thousand, forty-three".