111003143212 has 24 divisors (see below), whose sum is σ = 209468938896. Its totient is φ = 51165924288.

The previous prime is 111003143189. The next prime is 111003143333. The reversal of 111003143212 is 212341300111.

It is a self number, because there is not a number n which added to its sum of digits gives 111003143212.

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 7 ways as a sum of consecutive naturals, for example, 1340578 + ... + 1420969.

It is an arithmetic number, because the mean of its divisors is an integer number (8727872454).

Almost surely, 2^111003143212 is an apocalyptic number.

It is an amenable number.

111003143212 is a deficient number, since it is larger than the sum of its proper divisors (98465795684).

111003143212 is a wasteful number, since it uses less digits than its factorization.

111003143212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762337 (or 2762335 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111003143212 its reverse (212341300111), we get a palindrome (323344443323).

The spelling of 111003143212 in words is "one hundred eleven billion, three million, one hundred forty-three thousand, two hundred twelve".