22112435321 has 4 divisors (see below), whose sum is σ = 22423878144. Its totient is φ = 21800992500.

The previous prime is 22112435299. The next prime is 22112435341. The reversal of 22112435321 is 12353421122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22112435321 - 2²² = 22108241017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22112435341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155721305 + ... + 155721446.

It is an arithmetic number, because the mean of its divisors is an integer number (5605969536).

Almost surely, 2^22112435321 is an apocalyptic number.

It is an amenable number.

22112435321 is a deficient number, since it is larger than the sum of its proper divisors (311442823).

22112435321 is an equidigital number, since it uses as much as digits as its factorization.

22112435321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311442822.

The product of its digits is 2880, while the sum is 26.

Adding to 22112435321 its reverse (12353421122), we get a palindrome (34465856443).

The spelling of 22112435321 in words is "twenty-two billion, one hundred twelve million, four hundred thirty-five thousand, three hundred twenty-one".