22133110221 has 16 divisors (see below), whose sum is σ = 32793693120. Its totient is φ = 14753651760.

The previous prime is 22133110217. The next prime is 22133110231. The reversal of 22133110221 is 12201133122.

It is not a de Polignac number, because 22133110221 - 2² = 22133110217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22133110194 and 22133110203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22133110231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206806 + ... + 295016.

It is an arithmetic number, because the mean of its divisors is an integer number (2049605820).

Almost surely, 2^22133110221 is an apocalyptic number.

It is an amenable number.

22133110221 is a deficient number, since it is larger than the sum of its proper divisors (10660582899).

22133110221 is an equidigital number, since it uses as much as digits as its factorization.

22133110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97513 (or 97507 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22133110221 its reverse (12201133122), we get a palindrome (34334243343).

The spelling of 22133110221 in words is "twenty-two billion, one hundred thirty-three million, one hundred ten thousand, two hundred twenty-one".