112222112122222 has 16 divisors (see below), whose sum is σ = 173502485067744. Its totient is φ = 54413861796000.

The previous prime is 112222112122213. The next prime is 112222112122259. The reversal of 112222112122222 is 222221211222211.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6477832029 + ... + 6477849352.

It is an arithmetic number, because the mean of its divisors is an integer number (10843905316734).

Almost surely, 2^{112222112122222} is an apocalyptic number.

112222112122222 is a deficient number, since it is larger than the sum of its proper divisors (61280372945522).

112222112122222 is a wasteful number, since it uses less digits than its factorization.

112222112122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12955681515.

The product of its digits is 1024, while the sum is 25.

Adding to 112222112122222 its reverse (222221211222211), we get a palindrome (334443323344433).

The spelling of 112222112122222 in words is "one hundred twelve trillion, two hundred twenty-two billion, one hundred twelve million, one hundred twenty-two thousand, two hundred twenty-two".