111200020002112 has 28 divisors (see below), whose sum is σ = 220680097381620. Its totient is φ = 55595586016256.

The previous prime is 111200020002067. The next prime is 111200020002163. The reversal of 111200020002112 is 211200020002111.

It can be written as a sum of positive squares in 2 ways, for example, as 109665632402496 + 1534387599616 = 10472136^2 + 1238704^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111200020002092 and 111200020002101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68314063 + ... + 69922894.

Almost surely, 2^{111200020002112} is an apocalyptic number.

It is an amenable number.

111200020002112 is a deficient number, since it is larger than the sum of its proper divisors (109480077379508).

111200020002112 is a wasteful number, since it uses less digits than its factorization.

111200020002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138249538 (or 138249528 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111200020002112 its reverse (211200020002111), we get a palindrome (322400040004223).

Subtracting 111200020002112 from its reverse (211200020002111), we obtain a palindrome (99999999999999).

The spelling of 111200020002112 in words is "one hundred eleven trillion, two hundred billion, twenty million, two thousand, one hundred twelve".