20112112210210 has 32 divisors (see below), whose sum is σ = 40348757629440. Its totient is φ = 7173112465152.

The previous prime is 20112112210187. The next prime is 20112112210283. The reversal of 20112112210210 is 1201221121102.

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, 3113326834 + ... + 3113333293.

It is an arithmetic number, because the mean of its divisors is an integer number (1260898675920).

Almost surely, 2^{20112112210210} is an apocalyptic number.

20112112210210 is an abundant number, since it is smaller than the sum of its proper divisors (20236645419230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20112112210210 is a wasteful number, since it uses less digits than its factorization.

20112112210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6226660170.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20112112210210 its reverse (1201221121102), we get a palindrome (21313333331312).

The spelling of 20112112210210 in words is "twenty trillion, one hundred twelve billion, one hundred twelve million, two hundred ten thousand, two hundred ten".