111110222112222 has 32 divisors (see below), whose sum is σ = 241651484665632. Its totient is φ = 33915997845504.

The previous prime is 111110222112203. The next prime is 111110222112247. The reversal of 111110222112222 is 222211222011111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14720481403 + ... + 14720488950.

It is an arithmetic number, because the mean of its divisors is an integer number (7551608895801).

Almost surely, 2^{111110222112222} is an apocalyptic number.

111110222112222 is an abundant number, since it is smaller than the sum of its proper divisors (130541262553410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111110222112222 is a wasteful number, since it uses less digits than its factorization.

111110222112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29440970412.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 111110222112222 its reverse (222211222011111), we get a palindrome (333321444123333).

The spelling of 111110222112222 in words is "one hundred eleven trillion, one hundred ten billion, two hundred twenty-two million, one hundred twelve thousand, two hundred twenty-two".