111122211111112 has 32 divisors (see below), whose sum is σ = 211920617260800. Its totient is φ = 54610358021824.

The previous prime is 111122211111083. The next prime is 111122211111133. The reversal of 111122211111112 is 211111112221111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 111122211111112.

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, 16612363 + ... + 22320730.

It is an arithmetic number, because the mean of its divisors is an integer number (6622519289400).

Almost surely, 2^{111122211111112} is an apocalyptic number.

It is an amenable number.

111122211111112 is a deficient number, since it is larger than the sum of its proper divisors (100798406149688).

111122211111112 is a wasteful number, since it uses less digits than its factorization.

111122211111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38939205 (or 38939201 counting only the distinct ones).

The product of its digits is 16, while the sum is 19.

Adding to 111122211111112 its reverse (211111112221111), we get a palindrome (322233323332223).

The spelling of 111122211111112 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred eleven million, one hundred eleven thousand, one hundred twelve".