100323130221 has 36 divisors (see below), whose sum is σ = 151572876000. Its totient is φ = 63937322064.

The previous prime is 100323130213. The next prime is 100323130223. The reversal of 100323130221 is 122031323001.

100323130221 is a `hidden beast` number, since 100 + 32 + 313 + 0 + 221 = 666.

It is not a de Polignac number, because 100323130221 - 2³ = 100323130213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100323130194 and 100323130203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100323130223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9988320 + ... + 9998358.

Almost surely, 2^100323130221 is an apocalyptic number.

It is an amenable number.

100323130221 is a deficient number, since it is larger than the sum of its proper divisors (51249745779).

100323130221 is a wasteful number, since it uses less digits than its factorization.

100323130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12190 (or 12164 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 100323130221 its reverse (122031323001), we get a palindrome (222354453222).

The spelling of 100323130221 in words is "one hundred billion, three hundred twenty-three million, one hundred thirty thousand, two hundred twenty-one".