120012100110091 has 6 divisors (see below), whose sum is σ = 139605912373020. Its totient is φ = 102867514380036.

The previous prime is 120012100110011. The next prime is 120012100110109. The reversal of 120012100110091 is 190011001210021.

It is not a de Polignac number, because 120012100110091 - 2¹³ = 120012100101899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120012100110011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1224613266381 + ... + 1224613266478.

It is an arithmetic number, because the mean of its divisors is an integer number (23267652062170).

Almost surely, 2^{120012100110091} is an apocalyptic number.

120012100110091 is a deficient number, since it is larger than the sum of its proper divisors (19593812262929).

120012100110091 is an equidigital number, since it uses as much as digits as its factorization.

120012100110091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449226532873 (or 2449226532866 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 120012100110091 in words is "one hundred twenty trillion, twelve billion, one hundred million, one hundred ten thousand, ninety-one".