111012112200 has 96 divisors (see below), whose sum is σ = 375422801760. Its totient is φ = 26912025600.

The previous prime is 111012112181. The next prime is 111012112219. The reversal of 111012112200 is 2211210111.

It is an interprime number because it is at equal distance from previous prime (111012112181) and next prime (111012112219).

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

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 23 ways as a sum of consecutive naturals, for example, 8403409 + ... + 8416608.

It is an arithmetic number, because the mean of its divisors is an integer number (3910654185).

Almost surely, 2^111012112200 is an apocalyptic number.

111012112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111012112200 is an abundant number, since it is smaller than the sum of its proper divisors (264410689560).

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

111012112200 is a wasteful number, since it uses less digits than its factorization.

111012112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16820047 (or 16820038 counting only the distinct ones).

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

Adding to 111012112200 its reverse (2211210111), we get a palindrome (113223322311).

The spelling of 111012112200 in words is "one hundred eleven billion, twelve million, one hundred twelve thousand, two hundred".