21204112410110 has 32 divisors (see below), whose sum is σ = 43620071726592. Its totient is φ = 7269950841120.

The previous prime is 21204112410109. The next prime is 21204112410163. The reversal of 21204112410110 is 1101421140212.

It is a super-2 number, since 2×21204112410110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21690119 + ... + 22646621.

It is an arithmetic number, because the mean of its divisors is an integer number (1363127241456).

Almost surely, 2^{21204112410110} is an apocalyptic number.

21204112410110 is an abundant number, since it is smaller than the sum of its proper divisors (22415959316482).

21204112410110 is a wasteful number, since it uses less digits than its factorization.

21204112410110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273208.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 21204112410110 its reverse (1101421140212), we get a palindrome (22305533550322).

The spelling of 21204112410110 in words is "twenty-one trillion, two hundred four billion, one hundred twelve million, four hundred ten thousand, one hundred ten".