100091110091 has 4 divisors (see below), whose sum is σ = 114389840112. Its totient is φ = 85792380072.

The previous prime is 100091110057. The next prime is 100091110099. The reversal of 100091110091 is 190011190001.

It is a happy number.

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

It is not a de Polignac number, because 100091110091 - 2²⁶ = 100024001227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100091110099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7149365000 + ... + 7149365013.

It is an arithmetic number, because the mean of its divisors is an integer number (28597460028).

Almost surely, 2^100091110091 is an apocalyptic number.

100091110091 is a deficient number, since it is larger than the sum of its proper divisors (14298730021).

100091110091 is an equidigital number, since it uses as much as digits as its factorization.

100091110091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14298730020.

The product of its (nonzero) digits is 81, while the sum is 23.

The spelling of 100091110091 in words is "one hundred billion, ninety-one million, one hundred ten thousand, ninety-one".