200421312100 has 36 divisors (see below), whose sum is σ = 434936256048. Its totient is φ = 80164468000.

The previous prime is 200421312097. The next prime is 200421312101. The reversal of 200421312100 is 1213124002.

It is not an unprimeable number, because it can be changed into a prime (200421312101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2651835 + ... + 2726365.

It is an arithmetic number, because the mean of its divisors is an integer number (12081562668).

Almost surely, 2^200421312100 is an apocalyptic number.

200421312100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200421312100 is an abundant number, since it is smaller than the sum of its proper divisors (234514943948).

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

200421312100 is a wasteful number, since it uses less digits than its factorization.

200421312100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101436 (or 101429 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 200421312100 its reverse (1213124002), we get a palindrome (201634436102).

The spelling of 200421312100 in words is "two hundred billion, four hundred twenty-one million, three hundred twelve thousand, one hundred".