100020321203 has 8 divisors (see below), whose sum is σ = 109115733936. Its totient is φ = 90925351200.

The previous prime is 100020321161. The next prime is 100020321209. The reversal of 100020321203 is 302123020001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100020321203 - 2¹² = 100020317107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100020321209) 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 7 ways as a sum of consecutive naturals, for example, 515993 + ... + 682853.

It is an arithmetic number, because the mean of its divisors is an integer number (13639466742).

Almost surely, 2^100020321203 is an apocalyptic number.

100020321203 is a deficient number, since it is larger than the sum of its proper divisors (9095412733).

100020321203 is a wasteful number, since it uses less digits than its factorization.

100020321203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221365.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 100020321203 its reverse (302123020001), we get a palindrome (402143341204).

The spelling of 100020321203 in words is "one hundred billion, twenty million, three hundred twenty-one thousand, two hundred three".