22113231121 has 8 divisors (see below), whose sum is σ = 22291869600. Its totient is φ = 21934741920.

The previous prime is 22113231109. The next prime is 22113231137. The reversal of 22113231121 is 12113231122.

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 22113231121 - 2⁹ = 22113230609 is a prime.

It is a super-2 number, since 2×22113231121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22113231191) 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, 270325 + ... + 342493.

It is an arithmetic number, because the mean of its divisors is an integer number (2786483700).

Almost surely, 2^22113231121 is an apocalyptic number.

It is an amenable number.

22113231121 is a deficient number, since it is larger than the sum of its proper divisors (178638479).

22113231121 is a wasteful number, since it uses less digits than its factorization.

22113231121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74639.

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

Adding to 22113231121 its reverse (12113231122), we get a palindrome (34226462243).

Subtracting from 22113231121 its reverse (12113231122), we obtain a palindrome (9999999999).

The spelling of 22113231121 in words is "twenty-two billion, one hundred thirteen million, two hundred thirty-one thousand, one hundred twenty-one".