22101200321 has 8 divisors (see below), whose sum is σ = 22202578944. Its totient is φ = 21999877920.

The previous prime is 22101200309. The next prime is 22101200351. The reversal of 22101200321 is 12300210122.

It is a happy number.

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 22101200321 - 2⁶ = 22101200257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22101200296 and 22101200305.

It is not an unprimeable number, because it can be changed into a prime (22101200351) 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, 912356 + ... + 936266.

It is an arithmetic number, because the mean of its divisors is an integer number (2775322368).

Almost surely, 2^22101200321 is an apocalyptic number.

It is an amenable number.

22101200321 is a deficient number, since it is larger than the sum of its proper divisors (101378623).

22101200321 is a wasteful number, since it uses less digits than its factorization.

22101200321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28111.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22101200321 its reverse (12300210122), we get a palindrome (34401410443).

The spelling of 22101200321 in words is "twenty-two billion, one hundred one million, two hundred thousand, three hundred twenty-one".