100203100200 has 144 divisors (see below), whose sum is σ = 384589090080. Its totient is φ = 22903562880.

The previous prime is 100203100169. The next prime is 100203100219. The reversal of 100203100200 is 2001302001.

It is a happy number.

It is a super-2 number, since 2×100203100200² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3963714 + ... + 3988913.

It is an arithmetic number, because the mean of its divisors is an integer number (2670757570).

Almost surely, 2^100203100200 is an apocalyptic number.

100203100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100203100200 is an abundant number, since it is smaller than the sum of its proper divisors (284385989880).

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

100203100200 is a wasteful number, since it uses less digits than its factorization.

100203100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7952656 (or 7952644 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 100203100200 its reverse (2001302001), we get a palindrome (102204402201).

The spelling of 100203100200 in words is "one hundred billion, two hundred three million, one hundred thousand, two hundred".