111222011112 has 32 divisors (see below), whose sum is σ = 278081424000. Its totient is φ = 37070484224.

The previous prime is 111222011093. The next prime is 111222011123. The reversal of 111222011112 is 211110222111.

It is a happy number.

111222011112 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 = 111222011091 and 111222011100.

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 7 ways as a sum of consecutive naturals, for example, 44608 + ... + 473744.

It is an arithmetic number, because the mean of its divisors is an integer number (8690044500).

Almost surely, 2^111222011112 is an apocalyptic number.

111222011112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111222011112 is an abundant number, since it is smaller than the sum of its proper divisors (166859412888).

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

111222011112 is a wasteful number, since it uses less digits than its factorization.

111222011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439945 (or 439941 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111222011112 its reverse (211110222111), we get a palindrome (322332233223).

The spelling of 111222011112 in words is "one hundred eleven billion, two hundred twenty-two million, eleven thousand, one hundred twelve".