111022212120112 has 20 divisors (see below), whose sum is σ = 216220072444600. Its totient is φ = 55223483747328.

The previous prime is 111022212120049. The next prime is 111022212120181. The reversal of 111022212120112 is 211021212220111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111022212120112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17976391362 + ... + 17976397537.

It is an arithmetic number, because the mean of its divisors is an integer number (10811003622230).

Almost surely, 2^{111022212120112} is an apocalyptic number.

It is an amenable number.

111022212120112 is a deficient number, since it is larger than the sum of its proper divisors (105197860324488).

111022212120112 is a wasteful number, since it uses less digits than its factorization.

111022212120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35952789100 (or 35952789094 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111022212120112 its reverse (211021212220111), we get a palindrome (322043424340223).

Subtracting 111022212120112 from its reverse (211021212220111), we obtain a palindrome (99999000099999).

It can be divided in two parts, 1110 and 22212120112, that added together give a palindrome (22212121222).

The spelling of 111022212120112 in words is "one hundred eleven trillion, twenty-two billion, two hundred twelve million, one hundred twenty thousand, one hundred twelve".