22103330521 has 8 divisors (see below), whose sum is σ = 23685498144. Its totient is φ = 20552493120.

The previous prime is 22103330497. The next prime is 22103330551. The reversal of 22103330521 is 12503330122.

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 22103330521 - 2¹¹ = 22103328473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22103330492 and 22103330501.

It is not an unprimeable number, because it can be changed into a prime (22103330551) 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, 7831095 + ... + 7833916.

It is an arithmetic number, because the mean of its divisors is an integer number (2960687268).

Almost surely, 2^22103330521 is an apocalyptic number.

It is an amenable number.

22103330521 is a deficient number, since it is larger than the sum of its proper divisors (1582167623).

22103330521 is a wasteful number, since it uses less digits than its factorization.

22103330521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15665111.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 22103330521 its reverse (12503330122), we get a palindrome (34606660643).

The spelling of 22103330521 in words is "twenty-two billion, one hundred three million, three hundred thirty thousand, five hundred twenty-one".