122102120191 has 2 divisors, whose sum is σ = 122102120192. Its totient is φ = 122102120190.

The previous prime is 122102120177. The next prime is 122102120221. The reversal of 122102120191 is 191021201221.

It is a weak prime.

It is an emirp because it is prime and its reverse (191021201221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122102120191 - 2⁹ = 122102119679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122102123191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61051060095 + 61051060096.

It is an arithmetic number, because the mean of its divisors is an integer number (61051060096).

Almost surely, 2^122102120191 is an apocalyptic number.

122102120191 is a deficient number, since it is larger than the sum of its proper divisors (1).

122102120191 is an equidigital number, since it uses as much as digits as its factorization.

122102120191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 122102120191 in words is "one hundred twenty-two billion, one hundred two million, one hundred twenty thousand, one hundred ninety-one".