222321131121 has 8 divisors (see below), whose sum is σ = 305990374144. Its totient is φ = 143432987760.

The previous prime is 222321131111. The next prime is 222321131143. The reversal of 222321131121 is 121131123222.

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

It is not a de Polignac number, because 222321131121 - 2⁵ = 222321131089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222321131111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195274806 + ... + 1195274991.

It is an arithmetic number, because the mean of its divisors is an integer number (38248796768).

Almost surely, 2^222321131121 is an apocalyptic number.

It is an amenable number.

222321131121 is a deficient number, since it is larger than the sum of its proper divisors (83669243023).

222321131121 is a wasteful number, since it uses less digits than its factorization.

222321131121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390549831.

The product of its digits is 288, while the sum is 21.

Adding to 222321131121 its reverse (121131123222), we get a palindrome (343452254343).

The spelling of 222321131121 in words is "two hundred twenty-two billion, three hundred twenty-one million, one hundred thirty-one thousand, one hundred twenty-one".