122201122291 has 2 divisors, whose sum is σ = 122201122292. Its totient is φ = 122201122290.

The previous prime is 122201122283. The next prime is 122201122319. The reversal of 122201122291 is 192221102221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122201122291 - 2³ = 122201122283 is a prime.

It is a super-2 number, since 2×122201122291² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122201122691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61100561145 + 61100561146.

It is an arithmetic number, because the mean of its divisors is an integer number (61100561146).

Almost surely, 2^122201122291 is an apocalyptic number.

122201122291 is a deficient number, since it is larger than the sum of its proper divisors (1).

122201122291 is an equidigital number, since it uses as much as digits as its factorization.

122201122291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 122201122291 in words is "one hundred twenty-two billion, two hundred one million, one hundred twenty-two thousand, two hundred ninety-one".