111201200112 has 40 divisors (see below), whose sum is σ = 290906103040. Its totient is φ = 36597862080.

The previous prime is 111201200093. The next prime is 111201200129. The reversal of 111201200112 is 211002102111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 14658814 + ... + 14666397.

It is an arithmetic number, because the mean of its divisors is an integer number (7272652576).

Almost surely, 2^111201200112 is an apocalyptic number.

111201200112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111201200112 is an abundant number, since it is smaller than the sum of its proper divisors (179704902928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111201200112 is a wasteful number, since it uses less digits than its factorization.

111201200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29325301 (or 29325295 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111201200112 its reverse (211002102111), we get a palindrome (322203302223).

The spelling of 111201200112 in words is "one hundred eleven billion, two hundred one million, two hundred thousand, one hundred twelve".