1222110112222 has 16 divisors (see below), whose sum is σ = 1884449951712. Its totient is φ = 594195920640.

The previous prime is 1222110112219. The next prime is 1222110112229. The reversal of 1222110112222 is 2222110112221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222110112222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222110112229) 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, 58937643 + ... + 58958374.

It is an arithmetic number, because the mean of its divisors is an integer number (117778121982).

Almost surely, 2^{1222110112222} is an apocalyptic number.

1222110112222 is a deficient number, since it is larger than the sum of its proper divisors (662339839490).

1222110112222 is a wasteful number, since it uses less digits than its factorization.

1222110112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117896163.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1222110112222 its reverse (2222110112221), we get a palindrome (3444220224443).

Subtracting 1222110112222 from its reverse (2222110112221), we obtain a palindrome (999999999999).

The spelling of 1222110112222 in words is "one trillion, two hundred twenty-two billion, one hundred ten million, one hundred twelve thousand, two hundred twenty-two".