100321313221 has 8 divisors (see below), whose sum is σ = 104693972544. Its totient is φ = 95949559200.

The previous prime is 100321313207. The next prime is 100321313249. The reversal of 100321313221 is 122313123001.

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 100321313221 - 2¹¹ = 100321311173 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 (100321313021) 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, 5185 + ... + 447961.

It is an arithmetic number, because the mean of its divisors is an integer number (13086746568).

Almost surely, 2^100321313221 is an apocalyptic number.

It is an amenable number.

100321313221 is a deficient number, since it is larger than the sum of its proper divisors (4372659323).

100321313221 is an equidigital number, since it uses as much as digits as its factorization.

100321313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452651.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 100321313221 its reverse (122313123001), we get a palindrome (222634436222).

The spelling of 100321313221 in words is "one hundred billion, three hundred twenty-one million, three hundred thirteen thousand, two hundred twenty-one".