110111110111091 has 4 divisors (see below), whose sum is σ = 110122775668800. Its totient is φ = 110099444553384.

The previous prime is 110111110111049. The next prime is 110111110111109. The reversal of 110111110111091 is 190111011111011.

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

It is a cyclic number.

It is not a de Polignac number, because 110111110111091 - 2⁶ = 110111110111027 is a prime.

It is a super-2 number, since 2×110111110111091² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110111110111031) 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, 5832764696 + ... + 5832783573.

It is an arithmetic number, because the mean of its divisors is an integer number (27530693917200).

Almost surely, 2^{110111110111091} is an apocalyptic number.

110111110111091 is a deficient number, since it is larger than the sum of its proper divisors (11665557709).

110111110111091 is an equidigital number, since it uses as much as digits as its factorization.

110111110111091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11665557708.

The product of its (nonzero) digits is 9, while the sum is 20.

The spelling of 110111110111091 in words is "one hundred ten trillion, one hundred eleven billion, one hundred ten million, one hundred eleven thousand, ninety-one".