111111201020112 has 40 divisors (see below), whose sum is σ = 294795033341856. Its totient is φ = 36036065195136.

The previous prime is 111111201020059. The next prime is 111111201020159. The reversal of 111111201020112 is 211020102111111.

It is a junction number, because it is equal to n+sod(n) for n = 111111201020091 and 111111201020100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31281304818 + ... + 31281308369.

Almost surely, 2^{111111201020112} is an apocalyptic number.

111111201020112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111111201020112 is an abundant number, since it is smaller than the sum of its proper divisors (183683832321744).

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

111111201020112 is a wasteful number, since it uses less digits than its factorization.

111111201020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62562613235 (or 62562613229 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111111201020112 its reverse (211020102111111), we get a palindrome (322131303131223).

The spelling of 111111201020112 in words is "one hundred eleven trillion, one hundred eleven billion, two hundred one million, twenty thousand, one hundred twelve".