122311120117 has 2 divisors, whose sum is σ = 122311120118. Its totient is φ = 122311120116.

The previous prime is 122311120103. The next prime is 122311120123. The reversal of 122311120117 is 711021113221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69635820996 + 52675299121 = 263886^2 + 229511^2 .

It is a cyclic number.

It is not a de Polignac number, because 122311120117 - 2¹⁹ = 122310595829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122311120177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61155560058 + 61155560059.

It is an arithmetic number, because the mean of its divisors is an integer number (61155560059).

Almost surely, 2^122311120117 is an apocalyptic number.

It is an amenable number.

122311120117 is a deficient number, since it is larger than the sum of its proper divisors (1).

122311120117 is an equidigital number, since it uses as much as digits as its factorization.

122311120117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 22.

Adding to 122311120117 its reverse (711021113221), we get a palindrome (833332233338).

The spelling of 122311120117 in words is "one hundred twenty-two billion, three hundred eleven million, one hundred twenty thousand, one hundred seventeen".