100321203203 has 24 divisors (see below), whose sum is σ = 110421995040. Its totient is φ = 91084331520.

The previous prime is 100321203181. The next prime is 100321203209. The reversal of 100321203203 is 302302123001.

It is not a de Polignac number, because 100321203203 - 2¹² = 100321199107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100321203209) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 5185913 + ... + 5205221.

It is an arithmetic number, because the mean of its divisors is an integer number (4600916460).

Almost surely, 2^100321203203 is an apocalyptic number.

100321203203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100321203203 is a deficient number, since it is larger than the sum of its proper divisors (10100791837).

100321203203 is a wasteful number, since it uses less digits than its factorization.

100321203203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19839 (or 19826 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 100321203203 its reverse (302302123001), we get a palindrome (402623326204).

The spelling of 100321203203 in words is "one hundred billion, three hundred twenty-one million, two hundred three thousand, two hundred three".