110111112012 has 72 divisors (see below), whose sum is σ = 297739995840. Its totient is φ = 31404227840.

The previous prime is 110111111993. The next prime is 110111112049. The reversal of 110111112012 is 210211111011.

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 (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1405062 + ... + 1481357.

It is an arithmetic number, because the mean of its divisors is an integer number (4135277720).

Almost surely, 2^110111112012 is an apocalyptic number.

110111112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

110111112012 is an abundant number, since it is smaller than the sum of its proper divisors (187628883828).

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

110111112012 is a wasteful number, since it uses less digits than its factorization.

110111112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886471 (or 2886452 counting only the distinct ones).

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

Adding to 110111112012 its reverse (210211111011), we get a palindrome (320322223023).

The spelling of 110111112012 in words is "one hundred ten billion, one hundred eleven million, one hundred twelve thousand, twelve".