330322310321221 has 16 divisors (see below), whose sum is σ = 331182267697008. Its totient is φ = 329463465408000.

The previous prime is 330322310321173. The next prime is 330322310321233. The reversal of 330322310321221 is 122123013223033.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6103933536996 + 324218376784225 = 2470614^2 + 18006065^2 .

It is a cyclic number.

It is not a de Polignac number, because 330322310321221 - 2¹¹ = 330322310319173 is a prime.

It is a super-2 number, since 2×330322310321221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 330322310321221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330322310321261) 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, 5566481011 + ... + 5566540351.

It is an arithmetic number, because the mean of its divisors is an integer number (20698891731063).

Almost surely, 2^{330322310321221} is an apocalyptic number.

It is an amenable number.

330322310321221 is a deficient number, since it is larger than the sum of its proper divisors (859957375787).

330322310321221 is a wasteful number, since it uses less digits than its factorization.

330322310321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68472.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 330322310321221 its reverse (122123013223033), we get a palindrome (452445323544254).

The spelling of 330322310321221 in words is "three hundred thirty trillion, three hundred twenty-two billion, three hundred ten million, three hundred twenty-one thousand, two hundred twenty-one".