111121201112 has 16 divisors (see below), whose sum is σ = 210415147200. Its totient is φ = 55010495200.

The previous prime is 111121201109. The next prime is 111121201181. The reversal of 111121201112 is 211102121111.

It is a congruent 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, 68762312 + ... + 68763927.

It is an arithmetic number, because the mean of its divisors is an integer number (13150946700).

Almost surely, 2^111121201112 is an apocalyptic number.

It is an amenable number.

111121201112 is a deficient number, since it is larger than the sum of its proper divisors (99293946088).

111121201112 is a wasteful number, since it uses less digits than its factorization.

111121201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137526346 (or 137526342 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111121201112 its reverse (211102121111), we get a palindrome (322223322223).

The spelling of 111121201112 in words is "one hundred eleven billion, one hundred twenty-one million, two hundred one thousand, one hundred twelve".