100221304133 has 4 divisors (see below), whose sum is σ = 100337436288. Its totient is φ = 100105171980.

The previous prime is 100221304111. The next prime is 100221304163. The reversal of 100221304133 is 331403122001.

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 not a de Polignac number, because 100221304133 - 2⁸ = 100221303877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221304163) 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, 58064783 + ... + 58066508.

It is an arithmetic number, because the mean of its divisors is an integer number (25084359072).

Almost surely, 2^100221304133 is an apocalyptic number.

It is an amenable number.

100221304133 is a deficient number, since it is larger than the sum of its proper divisors (116132155).

100221304133 is an equidigital number, since it uses as much as digits as its factorization.

100221304133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116132154.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 100221304133 its reverse (331403122001), we get a palindrome (431624426134).

The spelling of 100221304133 in words is "one hundred billion, two hundred twenty-one million, three hundred four thousand, one hundred thirty-three".