111123412112 has 20 divisors (see below), whose sum is σ = 216850547760. Its totient is φ = 55161980448.

The previous prime is 111123412097. The next prime is 111123412129. The reversal of 111123412112 is 211214321111.

It is a happy number.

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, 24980558 + ... + 24985005.

It is an arithmetic number, because the mean of its divisors is an integer number (10842527388).

Almost surely, 2^111123412112 is an apocalyptic number.

It is an amenable number.

111123412112 is a deficient number, since it is larger than the sum of its proper divisors (105727135648).

111123412112 is a wasteful number, since it uses less digits than its factorization.

111123412112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49965710 (or 49965704 counting only the distinct ones).

The product of its digits is 96, while the sum is 20.

Adding to 111123412112 its reverse (211214321111), we get a palindrome (322337733223).

The spelling of 111123412112 in words is "one hundred eleven billion, one hundred twenty-three million, four hundred twelve thousand, one hundred twelve".