323221033112221 has 16 divisors (see below), whose sum is σ = 330159603018240. Its totient is φ = 316347688902960.

The previous prime is 323221033112119. The next prime is 323221033112249. The reversal of 323221033112221 is 122211330122323.

It is a cyclic number.

It is not a de Polignac number, because 323221033112221 - 2¹⁷ = 323221032981149 is a prime.

It is a super-4 number, since 4×323221033112221⁴ (a number of 59 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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 323221033112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323221033112261) 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, 2536200 + ... + 25551406.

It is an arithmetic number, because the mean of its divisors is an integer number (20634975188640).

Almost surely, 2^{323221033112221} is an apocalyptic number.

It is an amenable number.

323221033112221 is a deficient number, since it is larger than the sum of its proper divisors (6938569906019).

323221033112221 is a wasteful number, since it uses less digits than its factorization.

323221033112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23016624.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 323221033112221 its reverse (122211330122323), we get a palindrome (445432363234544).

The spelling of 323221033112221 in words is "three hundred twenty-three trillion, two hundred twenty-one billion, thirty-three million, one hundred twelve thousand, two hundred twenty-one".