22320022121 has 8 divisors (see below), whose sum is σ = 22427832384. Its totient is φ = 22212455760.

The previous prime is 22320022099. The next prime is 22320022157. The reversal of 22320022121 is 12122002322.

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 22320022121 - 2²² = 22315827817 is a prime.

It is a super-3 number, since 3×22320022121³ (a number of 32 digits) contains 333 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 22320022121.

It is not an unprimeable number, because it can be changed into a prime (22320021121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123836 + ... + 244898.

It is an arithmetic number, because the mean of its divisors is an integer number (2803479048).

Almost surely, 2^22320022121 is an apocalyptic number.

It is an amenable number.

22320022121 is a deficient number, since it is larger than the sum of its proper divisors (107810263).

22320022121 is a wasteful number, since it uses less digits than its factorization.

22320022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121951.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22320022121 its reverse (12122002322), we get a palindrome (34442024443).

The spelling of 22320022121 in words is "twenty-two billion, three hundred twenty million, twenty-two thousand, one hundred twenty-one".