111121200002112 has 56 divisors (see below), whose sum is σ = 294645937008192. Its totient is φ = 36960052032000.

The previous prime is 111121200002107. The next prime is 111121200002129. The reversal of 111121200002112 is 211200002121111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111121200002091 and 111121200002100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627629764 + ... + 627806787.

It is an arithmetic number, because the mean of its divisors is an integer number (5261534589432).

Almost surely, 2^{111121200002112} is an apocalyptic number.

111121200002112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111121200002112 is an abundant number, since it is smaller than the sum of its proper divisors (183524737006080).

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

111121200002112 is a wasteful number, since it uses less digits than its factorization.

111121200002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255437027 (or 1255437017 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111121200002112 its reverse (211200002121111), we get a palindrome (322321202123223).

The spelling of 111121200002112 in words is "one hundred eleven trillion, one hundred twenty-one billion, two hundred million, two thousand, one hundred twelve".