21068110 has 16 divisors (see below), whose sum is σ = 43340256. Its totient is φ = 7223328.

The previous prime is 21068101. The next prime is 21068149. The reversal of 21068110 is 1186012.

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, 150417 + ... + 150556.

It is an arithmetic number, because the mean of its divisors is an integer number (2708766).

Almost surely, 2^21068110 is an apocalyptic number.

21068110 is an abundant number, since it is smaller than the sum of its proper divisors (22272146).

21068110 is a wasteful number, since it uses less digits than its factorization.

21068110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300987.

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

The square root of 21068110 is about 4590.0010893245. The cubic root of 21068110 is about 276.1903661127.

The spelling of 21068110 in words is "twenty-one million, sixty-eight thousand, one hundred ten".