110608021 has 4 divisors (see below), whose sum is σ = 110660044. Its totient is φ = 110556000.

The previous prime is 110608009. The next prime is 110608049. The reversal of 110608021 is 120806011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120806011 = 1093 ⋅110527.

It can be written as a sum of positive squares in 2 ways, for example, as 57972996 + 52635025 = 7614^2 + 7255^2 .

It is a cyclic number.

It is not a de Polignac number, because 110608021 - 2²¹ = 108510869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110608021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110668021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22680 + ... + 27121.

It is an arithmetic number, because the mean of its divisors is an integer number (27665011).

Almost surely, 2^110608021 is an apocalyptic number.

It is an amenable number.

110608021 is a deficient number, since it is larger than the sum of its proper divisors (52023).

110608021 is an equidigital number, since it uses as much as digits as its factorization.

110608021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52022.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 110608021 is about 10517.0348007411. The cubic root of 110608021 is about 480.0231774109.

The spelling of 110608021 in words is "one hundred ten million, six hundred eight thousand, twenty-one".