110110111010091 has 8 divisors (see below), whose sum is σ = 163126090385360. Its totient is φ = 73406740673376.

The previous prime is 110110111010087. The next prime is 110110111010131. The reversal of 110110111010091 is 190010111011011.

It is not a de Polignac number, because 110110111010091 - 2² = 110110111010087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110110111010041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2039076129790 + ... + 2039076129843.

It is an arithmetic number, because the mean of its divisors is an integer number (20390761298170).

Almost surely, 2^{110110111010091} is an apocalyptic number.

110110111010091 is a deficient number, since it is larger than the sum of its proper divisors (53015979375269).

110110111010091 is an equidigital number, since it uses as much as digits as its factorization.

110110111010091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078152259642 (or 4078152259636 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 18.

The spelling of 110110111010091 in words is "one hundred ten trillion, one hundred ten billion, one hundred eleven million, ten thousand, ninety-one".