21122102100110 has 64 divisors (see below), whose sum is σ = 41792808605184. Its totient is φ = 7622337436800.

The previous prime is 21122102100109. The next prime is 21122102100137. The reversal of 21122102100110 is 1100120122112.

It is a super-2 number, since 2×21122102100110² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6405704 + ... + 9125636.

It is an arithmetic number, because the mean of its divisors is an integer number (653012634456).

Almost surely, 2^{21122102100110} is an apocalyptic number.

21122102100110 is a deficient number, since it is larger than the sum of its proper divisors (20670706505074).

21122102100110 is a wasteful number, since it uses less digits than its factorization.

21122102100110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720489.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21122102100110 its reverse (1100120122112), we get a palindrome (22222222222222).

It can be divided in two parts, 21122102 and 100110, that added together give a palindrome (21222212).

The spelling of 21122102100110 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred two million, one hundred thousand, one hundred ten".