222120112222 has 16 divisors (see below), whose sum is σ = 337207931280. Its totient is φ = 109719573568.

The previous prime is 222120112213. The next prime is 222120112223. The reversal of 222120112222 is 222211021222.

It is a self number, because there is not a number n which added to its sum of digits gives 222120112222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120112223) 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, 314353 + ... + 736924.

It is an arithmetic number, because the mean of its divisors is an integer number (21075495705).

Almost surely, 2^222120112222 is an apocalyptic number.

222120112222 is a deficient number, since it is larger than the sum of its proper divisors (115087819058).

222120112222 is a wasteful number, since it uses less digits than its factorization.

222120112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052555.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222120112222 its reverse (222211021222), we get a palindrome (444331133444).

The spelling of 222120112222 in words is "two hundred twenty-two billion, one hundred twenty million, one hundred twelve thousand, two hundred twenty-two".