110109990 has 16 divisors (see below), whose sum is σ = 264264048. Its totient is φ = 29362656.

The previous prime is 110109953. The next prime is 110110009. The reversal of 110109990 is 99901011.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 3670333 = 110109990 / (1 + 1 + 0 + 1 + 0 + 9 + 9 + 9 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1835137 + ... + 1835196.

It is an arithmetic number, because the mean of its divisors is an integer number (16516503).

Almost surely, 2^110109990 is an apocalyptic number.

110109990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

110109990 is an abundant number, since it is smaller than the sum of its proper divisors (154154058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

110109990 is a wasteful number, since it uses less digits than its factorization.

110109990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670343.

The product of its (nonzero) digits is 729, while the sum is 30.

The square root of 110109990 is about 10493.3307390933. The cubic root of 110109990 is about 479.3016319833.

The spelling of 110109990 in words is "one hundred ten million, one hundred nine thousand, nine hundred ninety".