122120222197 has 2 divisors, whose sum is σ = 122120222198. Its totient is φ = 122120222196.

The previous prime is 122120222179. The next prime is 122120222201. The reversal of 122120222197 is 791222021221.

Together with previous prime (122120222179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99093373681 + 23026848516 = 314791^2 + 151746^2 .

It is a cyclic number.

It is not a de Polignac number, because 122120222197 - 2²³ = 122111833589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122120222167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060111098 + 61060111099.

It is an arithmetic number, because the mean of its divisors is an integer number (61060111099).

Almost surely, 2^122120222197 is an apocalyptic number.

It is an amenable number.

122120222197 is a deficient number, since it is larger than the sum of its proper divisors (1).

122120222197 is an equidigital number, since it uses as much as digits as its factorization.

122120222197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 122120222197 in words is "one hundred twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, one hundred ninety-seven".