22123332121 has 8 divisors (see below), whose sum is σ = 24163879104. Its totient is φ = 20087674320.

The previous prime is 22123332107. The next prime is 22123332149. The reversal of 22123332121 is 12123332122.

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 22123332121 - 2⁵ = 22123332089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22123332092 and 22123332101.

It is not an unprimeable number, because it can be changed into a prime (22123332221) 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, 1212826 + ... + 1230931.

It is an arithmetic number, because the mean of its divisors is an integer number (3020484888).

Almost surely, 2^22123332121 is an apocalyptic number.

It is an amenable number.

22123332121 is a deficient number, since it is larger than the sum of its proper divisors (2040546983).

22123332121 is a wasteful number, since it uses less digits than its factorization.

22123332121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444591.

The product of its digits is 864, while the sum is 22.

Adding to 22123332121 its reverse (12123332122), we get a palindrome (34246664243).

Subtracting from 22123332121 its reverse (12123332122), we obtain a palindrome (9999999999).

It can be divided in two parts, 2212 and 3332121, that added together give a palindrome (3334333).

The spelling of 22123332121 in words is "twenty-two billion, one hundred twenty-three million, three hundred thirty-two thousand, one hundred twenty-one".