122110110191 has 2 divisors, whose sum is σ = 122110110192. Its totient is φ = 122110110190.

The previous prime is 122110110173. The next prime is 122110110193. The reversal of 122110110191 is 191011011221.

It is a strong prime.

It is an emirp because it is prime and its reverse (191011011221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122110110191 - 2¹⁰ = 122110109167 is a prime.

Together with 122110110193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122110110193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61055055095 + 61055055096.

It is an arithmetic number, because the mean of its divisors is an integer number (61055055096).

Almost surely, 2^122110110191 is an apocalyptic number.

122110110191 is a deficient number, since it is larger than the sum of its proper divisors (1).

122110110191 is an equidigital number, since it uses as much as digits as its factorization.

122110110191 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 20.

The spelling of 122110110191 in words is "one hundred twenty-two billion, one hundred ten million, one hundred ten thousand, one hundred ninety-one".