122001111110191 has 2 divisors, whose sum is σ = 122001111110192. Its totient is φ = 122001111110190.

The previous prime is 122001111110183. The next prime is 122001111110239. The reversal of 122001111110191 is 191011111100221.

It is a weak prime.

It is an emirp because it is prime and its reverse (191011111100221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122001111110191 - 2³ = 122001111110183 is a prime.

It is a super-2 number, since 2×122001111110191² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122001111110141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000555555095 + 61000555555096.

It is an arithmetic number, because the mean of its divisors is an integer number (61000555555096).

Almost surely, 2^{122001111110191} is an apocalyptic number.

122001111110191 is a deficient number, since it is larger than the sum of its proper divisors (1).

122001111110191 is an equidigital number, since it uses as much as digits as its factorization.

122001111110191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 22.

The spelling of 122001111110191 in words is "one hundred twenty-two trillion, one billion, one hundred eleven million, one hundred ten thousand, one hundred ninety-one".