22132223121 has 8 divisors (see below), whose sum is σ = 29550224704. Its totient is φ = 14734518480.

The previous prime is 22132223101. The next prime is 22132223123. The reversal of 22132223121 is 12132223122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22132223121 - 2⁵ = 22132223089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22132223123) 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, 5071690 + ... + 5076051.

It is an arithmetic number, because the mean of its divisors is an integer number (3693778088).

Almost surely, 2^22132223121 is an apocalyptic number.

It is an amenable number.

22132223121 is a deficient number, since it is larger than the sum of its proper divisors (7418001583).

22132223121 is a wasteful number, since it uses less digits than its factorization.

22132223121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10148471.

The product of its digits is 576, while the sum is 21.

Adding to 22132223121 its reverse (12132223122), we get a palindrome (34264446243).

Subtracting from 22132223121 its reverse (12132223122), we obtain a palindrome (9999999999).

The spelling of 22132223121 in words is "twenty-two billion, one hundred thirty-two million, two hundred twenty-three thousand, one hundred twenty-one".