210001202012100 has 72 divisors (see below), whose sum is σ = 610687759606848. Its totient is φ = 55716054934400.

The previous prime is 210001202012099. The next prime is 210001202012111. The reversal of 210001202012100 is 1210202100012.

It is a super-3 number, since 3×210001202012100³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1776600816 + ... + 1776719015.

It is an arithmetic number, because the mean of its divisors is an integer number (8481774438984).

Almost surely, 2^{210001202012100} is an apocalyptic number.

210001202012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210001202012100 is an abundant number, since it is smaller than the sum of its proper divisors (400686557594748).

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

210001202012100 is a wasteful number, since it uses less digits than its factorization.

210001202012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553320045 (or 3553320038 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210001202012100 its reverse (1210202100012), we get a palindrome (211211404112112).

The spelling of 210001202012100 in words is "two hundred ten trillion, one billion, two hundred two million, twelve thousand, one hundred".