111200212122112 has 40 divisors (see below), whose sum is σ = 222635748516192. Its totient is φ = 55486867430400.

The previous prime is 111200212122079. The next prime is 111200212122221. The reversal of 111200212122112 is 211221212002111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111200212122112.

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, 220917564 + ... + 221420347.

Almost surely, 2^{111200212122112} is an apocalyptic number.

It is an amenable number.

111200212122112 is an abundant number, since it is smaller than the sum of its proper divisors (111435536394080).

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

111200212122112 is an frugal number, since it uses more digits than its factorization.

111200212122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442338420 (or 442338404 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111200212122112 its reverse (211221212002111), we get a palindrome (322421424124223).

The spelling of 111200212122112 in words is "one hundred eleven trillion, two hundred billion, two hundred twelve million, one hundred twenty-two thousand, one hundred twelve".