100221321013 has 8 divisors (see below), whose sum is σ = 111395225376. Its totient is φ = 89391229200.

The previous prime is 100221321001. The next prime is 100221321077. The reversal of 100221321013 is 310123122001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100221321013 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 (100221321913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85952523 + ... + 85953688.

It is an arithmetic number, because the mean of its divisors is an integer number (13924403172).

Almost surely, 2^100221321013 is an apocalyptic number.

It is an amenable number.

100221321013 is a deficient number, since it is larger than the sum of its proper divisors (11173904363).

100221321013 is a wasteful number, since it uses less digits than its factorization.

100221321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171906275.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 100221321013 its reverse (310123122001), we get a palindrome (410344443014).

The spelling of 100221321013 in words is "one hundred billion, two hundred twenty-one million, three hundred twenty-one thousand, thirteen".