22102009321 has 8 divisors (see below), whose sum is σ = 26357675904. Its totient is φ = 18120901920.

The previous prime is 22102009301. The next prime is 22102009343. The reversal of 22102009321 is 12390020122.

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 22102009321 - 2⁹ = 22102008809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22102009292 and 22102009301.

It is not an unprimeable number, because it can be changed into a prime (22102009301) 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, 68639620 + ... + 68639941.

It is an arithmetic number, because the mean of its divisors is an integer number (3294709488).

Almost surely, 2^22102009321 is an apocalyptic number.

It is an amenable number.

22102009321 is a deficient number, since it is larger than the sum of its proper divisors (4255666583).

22102009321 is a wasteful number, since it uses less digits than its factorization.

22102009321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137279591.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 22102009321 its reverse (12390020122), we get a palindrome (34492029443).

The spelling of 22102009321 in words is "twenty-two billion, one hundred two million, nine thousand, three hundred twenty-one".