222321222211121 has 16 divisors (see below), whose sum is σ = 252652705958400. Its totient is φ = 193796109619200.

The previous prime is 222321222211093. The next prime is 222321222211133. The reversal of 222321222211121 is 121112222123222.

222321222211121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-222321222211121 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222321222211181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2990643536 + ... + 2990717873.

It is an arithmetic number, because the mean of its divisors is an integer number (15790794122400).

Almost surely, 2^{222321222211121} is an apocalyptic number.

It is an amenable number.

222321222211121 is a deficient number, since it is larger than the sum of its proper divisors (30331483747279).

222321222211121 is a wasteful number, since it uses less digits than its factorization.

222321222211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5981361560.

The product of its digits is 1536, while the sum is 26.

Adding to 222321222211121 its reverse (121112222123222), we get a palindrome (343433444334343).

The spelling of 222321222211121 in words is "two hundred twenty-two trillion, three hundred twenty-one billion, two hundred twenty-two million, two hundred eleven thousand, one hundred twenty-one".