22320322121 has 8 divisors (see below), whose sum is σ = 23044639488. Its totient is φ = 21596274000.

The previous prime is 22320322111. The next prime is 22320322139. The reversal of 22320322121 is 12122302322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22320322121 - 2³⁴ = 5140452937 is a prime.

It is a super-3 number, since 3×22320322121³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22320322093 and 22320322102.

It is not an unprimeable number, because it can be changed into a prime (22320322111) 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, 108506 + ... + 237516.

It is an arithmetic number, because the mean of its divisors is an integer number (2880579936).

Almost surely, 2^22320322121 is an apocalyptic number.

It is an amenable number.

22320322121 is a deficient number, since it is larger than the sum of its proper divisors (724317367).

22320322121 is a wasteful number, since it uses less digits than its factorization.

22320322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134623.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22320322121 its reverse (12122302322), we get a palindrome (34442624443).

The spelling of 22320322121 in words is "twenty-two billion, three hundred twenty million, three hundred twenty-two thousand, one hundred twenty-one".