111222112021112 has 16 divisors (see below), whose sum is σ = 210606226972200. Its totient is φ = 55060451495200.

The previous prime is 111222112021079. The next prime is 111222112021117. The reversal of 111222112021112 is 211120211222111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222112021117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68825563562 + ... + 68825565177.

Almost surely, 2^{111222112021112} is an apocalyptic number.

It is an amenable number.

111222112021112 is a deficient number, since it is larger than the sum of its proper divisors (99384114951088).

111222112021112 is a wasteful number, since it uses less digits than its factorization.

111222112021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137651128846 (or 137651128842 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 111222112021112 its reverse (211120211222111), we get a palindrome (322342323243223).

The spelling of 111222112021112 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred twelve million, twenty-one thousand, one hundred twelve".