22243321121 has 6 divisors (see below), whose sum is σ = 25874883810. Its totient is φ = 19065703776.

The previous prime is 22243321103. The next prime is 22243321141. The reversal of 22243321121 is 12112334222.

It can be written as a sum of positive squares in only one way, i.e., 15708862225 + 6534458896 = 125335^2 + 80836^2 .

It is not a de Polignac number, because 22243321121 - 2¹⁴ = 22243304737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22243321141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226972616 + ... + 226972713.

It is an arithmetic number, because the mean of its divisors is an integer number (4312480635).

Almost surely, 2^22243321121 is an apocalyptic number.

It is an amenable number.

22243321121 is a deficient number, since it is larger than the sum of its proper divisors (3631562689).

22243321121 is an equidigital number, since it uses as much as digits as its factorization.

22243321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453945343 (or 453945336 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

Adding to 22243321121 its reverse (12112334222), we get a palindrome (34355655343).

The spelling of 22243321121 in words is "twenty-two billion, two hundred forty-three million, three hundred twenty-one thousand, one hundred twenty-one".