122210220220997 has 2 divisors, whose sum is σ = 122210220220998. Its totient is φ = 122210220220996.

The previous prime is 122210220220937. The next prime is 122210220221021. The reversal of 122210220220997 is 799022022012221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83183137189441 + 39027083031556 = 9120479^2 + 6247166^2 .

It is a cyclic number.

It is not a de Polignac number, because 122210220220997 - 2²⁰ = 122210219172421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122210220220937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61105110110498 + 61105110110499.

It is an arithmetic number, because the mean of its divisors is an integer number (61105110110499).

Almost surely, 2^{122210220220997} is an apocalyptic number.

It is an amenable number.

122210220220997 is a deficient number, since it is larger than the sum of its proper divisors (1).

122210220220997 is an equidigital number, since it uses as much as digits as its factorization.

122210220220997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 122210220220997 in words is "one hundred twenty-two trillion, two hundred ten billion, two hundred twenty million, two hundred twenty thousand, nine hundred ninety-seven".