320030101221321 has 16 divisors (see below), whose sum is σ = 427797351432000. Its totient is φ = 212808191692800.

The previous prime is 320030101221293. The next prime is 320030101221353. The reversal of 320030101221321 is 123122101030023.

It is not a de Polignac number, because 320030101221321 - 2⁵ = 320030101221289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320030101221361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11265930 + ... + 27694428.

It is an arithmetic number, because the mean of its divisors is an integer number (26737334464500).

Almost surely, 2^{320030101221321} is an apocalyptic number.

It is an amenable number.

320030101221321 is a deficient number, since it is larger than the sum of its proper divisors (107767250210679).

320030101221321 is a wasteful number, since it uses less digits than its factorization.

320030101221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16445096.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 320030101221321 its reverse (123122101030023), we get a palindrome (443152202251344).

The spelling of 320030101221321 in words is "three hundred twenty trillion, thirty billion, one hundred one million, two hundred twenty-one thousand, three hundred twenty-one".