20100112011210 has 64 divisors (see below), whose sum is σ = 60143711791104. Its totient is φ = 4176646651200.

The previous prime is 20100112011197. The next prime is 20100112011253. The reversal of 20100112011210 is 1211021100102.

It is a super-2 number, since 2×20100112011210² (a number of 27 digits) contains 22 as substring.

It is a Curzon 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, 4350671286 + ... + 4350675905.

It is an arithmetic number, because the mean of its divisors is an integer number (939745496736).

Almost surely, 2^{20100112011210} is an apocalyptic number.

20100112011210 is an abundant number, since it is smaller than the sum of its proper divisors (40043599779894).

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

20100112011210 is a wasteful number, since it uses less digits than its factorization.

20100112011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8701347219.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20100112011210 its reverse (1211021100102), we get a palindrome (21311133111312).

The spelling of 20100112011210 in words is "twenty trillion, one hundred billion, one hundred twelve million, eleven thousand, two hundred ten".