222110111121 has 32 divisors (see below), whose sum is σ = 309263961600. Its totient is φ = 141618059520.

The previous prime is 222110111071. The next prime is 222110111123. The reversal of 222110111121 is 121111011222.

It is a happy number.

It is not a de Polignac number, because 222110111121 - 2⁷ = 222110110993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222110111121.

It is not an unprimeable number, because it can be changed into a prime (222110111123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3896536 + ... + 3953126.

It is an arithmetic number, because the mean of its divisors is an integer number (9664498800).

Almost surely, 2^222110111121 is an apocalyptic number.

It is an amenable number.

222110111121 is a deficient number, since it is larger than the sum of its proper divisors (87153850479).

222110111121 is a wasteful number, since it uses less digits than its factorization.

222110111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57049.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 222110111121 its reverse (121111011222), we get a palindrome (343221122343).

The spelling of 222110111121 in words is "two hundred twenty-two billion, one hundred ten million, one hundred eleven thousand, one hundred twenty-one".