20100112112210 has 64 divisors (see below), whose sum is σ = 39263705964000. Its totient is φ = 7364457418752.

The previous prime is 20100112112209. The next prime is 20100112112233. The reversal of 20100112112210 is 1221121100102.

20100112112210 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 124255609 + 20099987856601 = 11147^2 + 4483301^2 .

It is a super-2 number, since 2×20100112112210² (a number of 27 digits) contains 22 as substring.

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, 19030112 + ... + 20058548.

Almost surely, 2^{20100112112210} is an apocalyptic number.

20100112112210 is a deficient number, since it is larger than the sum of its proper divisors (19163593851790).

20100112112210 is a wasteful number, since it uses less digits than its factorization.

20100112112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029615.

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

Adding to 20100112112210 its reverse (1221121100102), we get a palindrome (21321233212312).

The spelling of 20100112112210 in words is "twenty trillion, one hundred billion, one hundred twelve million, one hundred twelve thousand, two hundred ten".