22221013321 has 8 divisors (see below), whose sum is σ = 23958063360. Its totient is φ = 20487926352.

The previous prime is 22221013319. The next prime is 22221013337. The reversal of 22221013321 is 12331012222.

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 22221013321 - 2¹ = 22221013319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221013351) 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, 979111 + ... + 1001548.

It is an arithmetic number, because the mean of its divisors is an integer number (2994757920).

Almost surely, 2^22221013321 is an apocalyptic number.

It is an amenable number.

22221013321 is a deficient number, since it is larger than the sum of its proper divisors (1737050039).

22221013321 is a wasteful number, since it uses less digits than its factorization.

22221013321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981535.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22221013321 its reverse (12331012222), we get a palindrome (34552025543).

The spelling of 22221013321 in words is "twenty-two billion, two hundred twenty-one million, thirteen thousand, three hundred twenty-one".