100203443201 has 4 divisors (see below), whose sum is σ = 100306640304. Its totient is φ = 100100246100.

The previous prime is 100203443177. The next prime is 100203443203. The reversal of 100203443201 is 102344302001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100203443201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100203443203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51597095 + ... + 51599036.

It is an arithmetic number, because the mean of its divisors is an integer number (25076660076).

Almost surely, 2^100203443201 is an apocalyptic number.

It is an amenable number.

100203443201 is a deficient number, since it is larger than the sum of its proper divisors (103197103).

100203443201 is an equidigital number, since it uses as much as digits as its factorization.

100203443201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103197102.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 100203443201 its reverse (102344302001), we get a palindrome (202547745202).

The spelling of 100203443201 in words is "one hundred billion, two hundred three million, four hundred forty-three thousand, two hundred one".