200021211012100 has 72 divisors (see below), whose sum is σ = 447375080287296. Its totient is φ = 77588463120000.

The previous prime is 200021211012059. The next prime is 200021211012109. The reversal of 200021211012100 is 1210112120002.

It is not an unprimeable number, because it can be changed into a prime (200021211012109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230484946 + ... + 231351145.

It is an arithmetic number, because the mean of its divisors is an integer number (6213542781768).

Almost surely, 2^{200021211012100} is an apocalyptic number.

200021211012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200021211012100 is an abundant number, since it is smaller than the sum of its proper divisors (247353869275196).

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

200021211012100 is a wasteful number, since it uses less digits than its factorization.

200021211012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461836237 (or 461836230 counting only the distinct ones).

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

Adding to 200021211012100 its reverse (1210112120002), we get a palindrome (201231323132102).

The spelling of 200021211012100 in words is "two hundred trillion, twenty-one billion, two hundred eleven million, twelve thousand, one hundred".