111200212 has 12 divisors (see below), whose sum is σ = 194986260. Its totient is φ = 55489856.

The previous prime is 111200197. The next prime is 111200233. The reversal of 111200212 is 212002111.

It can be written as a sum of positive squares in 2 ways, for example, as 80353296 + 30846916 = 8964^2 + 5554^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25273 + ... + 29344.

It is an arithmetic number, because the mean of its divisors is an integer number (16248855).

Almost surely, 2^111200212 is an apocalyptic number.

It is an amenable number.

111200212 is a deficient number, since it is larger than the sum of its proper divisors (83786048).

111200212 is a wasteful number, since it uses less digits than its factorization.

111200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55130 (or 55128 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 111200212 is about 10545.1511131894. The cubic root of 111200212 is about 480.8783281532.

Adding to 111200212 its reverse (212002111), we get a palindrome (323202323).

The spelling of 111200212 in words is "one hundred eleven million, two hundred thousand, two hundred twelve".