111200102112 has 48 divisors (see below), whose sum is σ = 318436659072. Its totient is φ = 33697000320.

The previous prime is 111200102021. The next prime is 111200102113. The reversal of 111200102112 is 211201002111.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200102113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52650508 + ... + 52652619.

It is an arithmetic number, because the mean of its divisors is an integer number (6634097064).

Almost surely, 2^111200102112 is an apocalyptic number.

111200102112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111200102112 is an abundant number, since it is smaller than the sum of its proper divisors (207236556960).

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

111200102112 is a wasteful number, since it uses less digits than its factorization.

111200102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105303151 (or 105303143 counting only the distinct ones).

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

Adding to 111200102112 its reverse (211201002111), we get a palindrome (322401104223).

It can be divided in two parts, 111200 and 102112, that added together give a palindrome (213312).

The spelling of 111200102112 in words is "one hundred eleven billion, two hundred million, one hundred two thousand, one hundred twelve".