2122000111091 has 4 divisors (see below), whose sum is σ = 2425142984112. Its totient is φ = 1818857238072.

The previous prime is 2122000111069. The next prime is 2122000111123. The reversal of 2122000111091 is 1901110002212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2122000111091 - 2⁶ = 2122000111027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122000113091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151571436500 + ... + 151571436513.

It is an arithmetic number, because the mean of its divisors is an integer number (606285746028).

Almost surely, 2^{2122000111091} is an apocalyptic number.

2122000111091 is a deficient number, since it is larger than the sum of its proper divisors (303142873021).

2122000111091 is an equidigital number, since it uses as much as digits as its factorization.

2122000111091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303142873020.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 2122000111091 in words is "two trillion, one hundred twenty-two billion, one hundred eleven thousand, ninety-one".