210112020012100 has 18 divisors (see below), whose sum is σ = 455943083426474. Its totient is φ = 84044808004800.

The previous prime is 210112020012061. The next prime is 210112020012149. The reversal of 210112020012100 is 1210020211012.

It can be written as a sum of positive squares in 3 ways, for example, as 66716616064576 + 143395403947524 = 8168024^2 + 11974782^2 .

It is a super-2 number, since 2×210112020012100² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1050560099961 + ... + 1050560100160.

Almost surely, 2^{210112020012100} is an apocalyptic number.

210112020012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210112020012100 is an abundant number, since it is smaller than the sum of its proper divisors (245831063414374).

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

210112020012100 is a wasteful number, since it uses less digits than its factorization.

210112020012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101120200135 (or 2101120200128 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210112020012100 its reverse (1210020211012), we get a palindrome (211322040223112).

The spelling of 210112020012100 in words is "two hundred ten trillion, one hundred twelve billion, twenty million, twelve thousand, one hundred".