21222102110 has 16 divisors (see below), whose sum is σ = 41672491632. Its totient is φ = 7717128000.

The previous prime is 21222102107. The next prime is 21222102149. The reversal of 21222102110 is 1120122212.

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, 96463991 + ... + 96464210.

It is an arithmetic number, because the mean of its divisors is an integer number (2604530727).

Almost surely, 2^21222102110 is an apocalyptic number.

21222102110 is a deficient number, since it is larger than the sum of its proper divisors (20450389522).

21222102110 is a wasteful number, since it uses less digits than its factorization.

21222102110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192928219.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21222102110 its reverse (1120122212), we get a palindrome (22342224322).

It can be divided in two parts, 21222102 and 110, that added together give a palindrome (21222212).

The spelling of 21222102110 in words is "twenty-one billion, two hundred twenty-two million, one hundred two thousand, one hundred ten".