111001112112 has 80 divisors (see below), whose sum is σ = 315918708480. Its totient is φ = 33303648000.

The previous prime is 111001112093. The next prime is 111001112119. The reversal of 111001112112 is 211211100111.

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

It is not an unprimeable number, because it can be changed into a prime (111001112119) 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 15 ways as a sum of consecutive naturals, for example, 987412 + ... + 1094067.

It is an arithmetic number, because the mean of its divisors is an integer number (3948983856).

Almost surely, 2^111001112112 is an apocalyptic number.

111001112112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111001112112 is an abundant number, since it is smaller than the sum of its proper divisors (204917596368).

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

111001112112 is a wasteful number, since it uses less digits than its factorization.

111001112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081602 (or 2081596 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111001112112 its reverse (211211100111), we get a palindrome (322212212223).

It can be divided in two parts, 11100111 and 2112, that multiplied together give a palindrome (23443434432).

The spelling of 111001112112 in words is "one hundred eleven billion, one million, one hundred twelve thousand, one hundred twelve".