110110109 has 4 divisors (see below), whose sum is σ = 113662080. Its totient is φ = 106558140.

The previous prime is 110110079. The next prime is 110110127. The reversal of 110110109 is 901011011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 901011011 = 13723 ⋅65657.

It is a cyclic number.

It is not a de Polignac number, because 110110109 - 2²⁴ = 93332893 is a prime.

It is a super-2 number, since 2×110110109² = 24248472207983762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 110110093 and 110110102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110110199) 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, 1775939 + ... + 1776000.

It is an arithmetic number, because the mean of its divisors is an integer number (28415520).

Almost surely, 2^110110109 is an apocalyptic number.

It is an amenable number.

110110109 is a deficient number, since it is larger than the sum of its proper divisors (3551971).

110110109 is an equidigital number, since it uses as much as digits as its factorization.

110110109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551970.

The product of its (nonzero) digits is 9, while the sum is 14.

The square root of 110110109 is about 10493.3364093600. The cubic root of 110110109 is about 479.3018046496.

The spelling of 110110109 in words is "one hundred ten million, one hundred ten thousand, one hundred nine".