111201210112 has 36 divisors (see below), whose sum is σ = 222033943656. Its totient is φ = 55584097280.

The previous prime is 111201210091. The next prime is 111201210121. The reversal of 111201210112 is 211012102111.

It is a happy number.

111201210112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 111201210092 and 111201210101.

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, 823263 + ... + 948769.

It is an arithmetic number, because the mean of its divisors is an integer number (6167609546).

Almost surely, 2^111201210112 is an apocalyptic number.

It is an amenable number.

111201210112 is a deficient number, since it is larger than the sum of its proper divisors (110832733544).

111201210112 is an equidigital number, since it uses as much as digits as its factorization.

111201210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128984 (or 128970 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111201210112 its reverse (211012102111), we get a palindrome (322213312223).

The spelling of 111201210112 in words is "one hundred eleven billion, two hundred one million, two hundred ten thousand, one hundred twelve".