22200112321 has 2 divisors, whose sum is σ = 22200112322. Its totient is φ = 22200112320.

The previous prime is 22200112309. The next prime is 22200112357. The reversal of 22200112321 is 12321100222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21775134096 + 424978225 = 147564^2 + 20615^2 .

It is a cyclic number.

It is not a de Polignac number, because 22200112321 - 2¹⁷ = 22199981249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22200112295 and 22200112304.

It is not a weakly prime, because it can be changed into another prime (22200112301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100056160 + 11100056161.

It is an arithmetic number, because the mean of its divisors is an integer number (11100056161).

Almost surely, 2^22200112321 is an apocalyptic number.

It is an amenable number.

22200112321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22200112321 is an equidigital number, since it uses as much as digits as its factorization.

22200112321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22200112321 its reverse (12321100222), we get a palindrome (34521212543).

The spelling of 22200112321 in words is "twenty-two billion, two hundred million, one hundred twelve thousand, three hundred twenty-one".