122010112191 has 24 divisors (see below), whose sum is σ = 188522717184. Its totient is φ = 69595780480.

The previous prime is 122010112183. The next prime is 122010112223. The reversal of 122010112191 is 191211010221.

It is not a de Polignac number, because 122010112191 - 2³ = 122010112183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122010112181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6387135 + ... + 6406208.

It is an arithmetic number, because the mean of its divisors is an integer number (7855113216).

Almost surely, 2^122010112191 is an apocalyptic number.

122010112191 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122010112191 is a deficient number, since it is larger than the sum of its proper divisors (66512604993).

122010112191 is a wasteful number, since it uses less digits than its factorization.

122010112191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12793391 (or 12793374 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 122010112191 in words is "one hundred twenty-two billion, ten million, one hundred twelve thousand, one hundred ninety-one".