22113321121 has 8 divisors (see below), whose sum is σ = 22506795584. Its totient is φ = 21720845520.

The previous prime is 22113321101. The next prime is 22113321137. The reversal of 22113321121 is 12112331122.

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 22113321121 - 2¹³ = 22113312929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22113321101) 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, 204975 + ... + 293668.

It is an arithmetic number, because the mean of its divisors is an integer number (2813349448).

Almost surely, 2^22113321121 is an apocalyptic number.

It is an amenable number.

22113321121 is a deficient number, since it is larger than the sum of its proper divisors (393474463).

22113321121 is an equidigital number, since it uses as much as digits as its factorization.

22113321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499431.

The product of its digits is 144, while the sum is 19.

Adding to 22113321121 its reverse (12112331122), we get a palindrome (34225652243).

The spelling of 22113321121 in words is "twenty-two billion, one hundred thirteen million, three hundred twenty-one thousand, one hundred twenty-one".