100321200200 has 48 divisors (see below), whose sum is σ = 251188857780. Its totient is φ = 37041672960.

The previous prime is 100321200163. The next prime is 100321200247. The reversal of 100321200200 is 2002123001.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 12538176676 + 87783023524 = 111974^2 + 296282^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19289939 + ... + 19295138.

Almost surely, 2^100321200200 is an apocalyptic number.

100321200200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100321200200 is an abundant number, since it is smaller than the sum of its proper divisors (150867657580).

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

100321200200 is a wasteful number, since it uses less digits than its factorization.

100321200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38585106 (or 38585097 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 100321200200 its reverse (2002123001), we get a palindrome (102323323201).

The spelling of 100321200200 in words is "one hundred billion, three hundred twenty-one million, two hundred thousand, two hundred".