111303113212 has 24 divisors (see below), whose sum is σ = 197225078400. Its totient is φ = 54953756976.

The previous prime is 111303113209. The next prime is 111303113227. The reversal of 111303113212 is 212311303111.

It is a self number, because there is not a number n which added to its sum of digits gives 111303113212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594739 + ... + 759157.

It is an arithmetic number, because the mean of its divisors is an integer number (8217711600).

Almost surely, 2^111303113212 is an apocalyptic number.

It is an amenable number.

111303113212 is a deficient number, since it is larger than the sum of its proper divisors (85921965188).

111303113212 is a wasteful number, since it uses less digits than its factorization.

111303113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166545 (or 166543 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 111303113212 its reverse (212311303111), we get a palindrome (323614416323).

The spelling of 111303113212 in words is "one hundred eleven billion, three hundred three million, one hundred thirteen thousand, two hundred twelve".