111021002112 has 32 divisors (see below), whose sum is σ = 294899537880. Its totient is φ = 37007000576.

The previous prime is 111021002101. The next prime is 111021002221. The reversal of 111021002112 is 211200120111.

111021002112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 144558213 + ... + 144558980.

Almost surely, 2^111021002112 is an apocalyptic number.

111021002112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111021002112 is an abundant number, since it is smaller than the sum of its proper divisors (183878535768).

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

111021002112 is an equidigital number, since it uses as much as digits as its factorization.

111021002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289117210 (or 289117198 counting only the distinct ones).

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

Adding to 111021002112 its reverse (211200120111), we get a palindrome (322221122223).

The spelling of 111021002112 in words is "one hundred eleven billion, twenty-one million, two thousand, one hundred twelve".