111200111111112 has 32 divisors (see below), whose sum is σ = 294353235295200. Its totient is φ = 34886309368064.

The previous prime is 111200111111093. The next prime is 111200111111147. The reversal of 111200111111112 is 211111111002111.

It is a happy number.

It is a super-2 number, since 2×111200111111112² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111200111111091 and 111200111111100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136274645562 + ... + 136274646377.

It is an arithmetic number, because the mean of its divisors is an integer number (9198538602975).

Almost surely, 2^{111200111111112} is an apocalyptic number.

111200111111112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111200111111112 is an abundant number, since it is smaller than the sum of its proper divisors (183153124184088).

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

111200111111112 is a wasteful number, since it uses less digits than its factorization.

111200111111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272549291965 (or 272549291961 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 15.

Adding to 111200111111112 its reverse (211111111002111), we get a palindrome (322311222113223).

The spelling of 111200111111112 in words is "one hundred eleven trillion, two hundred billion, one hundred eleven million, one hundred eleven thousand, one hundred twelve".