110648021 has 32 divisors (see below), whose sum is σ = 131604480. Its totient is φ = 92030400.

The previous prime is 110648017. The next prime is 110648029. The reversal of 110648021 is 120846011.

It is not a de Polignac number, because 110648021 - 2² = 110648017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110648029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 662480 + ... + 662646.

It is an arithmetic number, because the mean of its divisors is an integer number (4112640).

Almost surely, 2^110648021 is an apocalyptic number.

110648021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110648021 is a deficient number, since it is larger than the sum of its proper divisors (20956459).

110648021 is a wasteful number, since it uses less digits than its factorization.

110648021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 110648021 is about 10518.9363055396. The cubic root of 110648021 is about 480.0810352191.

The spelling of 110648021 in words is "one hundred ten million, six hundred forty-eight thousand, twenty-one".