110107021 has 4 divisors (see below), whose sum is σ = 110128032. Its totient is φ = 110086012.

The previous prime is 110106979. The next prime is 110107027. The reversal of 110107021 is 120701011.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 110107021 - 2⁹ = 110106509 is a prime.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110106992 and 110107010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110107027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4506 + ... + 15508.

It is an arithmetic number, because the mean of its divisors is an integer number (27532008).

Almost surely, 2^110107021 is an apocalyptic number.

It is an amenable number.

110107021 is a deficient number, since it is larger than the sum of its proper divisors (21011).

110107021 is a wasteful number, since it uses less digits than its factorization.

110107021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21010.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 110107021 is about 10493.1892673295. The cubic root of 110107021 is about 479.2973239899.

Adding to 110107021 its reverse (120701011), we get a palindrome (230808032).

The spelling of 110107021 in words is "one hundred ten million, one hundred seven thousand, twenty-one".