111102221112112 has 20 divisors (see below), whose sum is σ = 215261268296616. Its totient is φ = 55550926067840.

The previous prime is 111102221112097. The next prime is 111102221112131. The reversal of 111102221112112 is 211211122201111.

It is a self number, because there is not a number n which added to its sum of digits gives 111102221112112.

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, 6495589 + ... + 16260292.

Almost surely, 2^{111102221112112} is an apocalyptic number.

It is an amenable number.

111102221112112 is a deficient number, since it is larger than the sum of its proper divisors (104159047184504).

111102221112112 is a wasteful number, since it uses less digits than its factorization.

111102221112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23061036 (or 23061030 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 111102221112112 its reverse (211211122201111), we get a palindrome (322313343313223).

The spelling of 111102221112112 in words is "one hundred eleven trillion, one hundred two billion, two hundred twenty-one million, one hundred twelve thousand, one hundred twelve".