111100133212 has 12 divisors (see below), whose sum is σ = 194430090400. Its totient is φ = 55548678816.

The previous prime is 111100133203. The next prime is 111100133231. The reversal of 111100133212 is 212331001111.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 155028 + ... + 496219.

Almost surely, 2^111100133212 is an apocalyptic number.

It is an amenable number.

111100133212 is a deficient number, since it is larger than the sum of its proper divisors (83329957188).

111100133212 is a wasteful number, since it uses less digits than its factorization.

111100133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693900 (or 693898 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111100133212 its reverse (212331001111), we get a palindrome (323431134323).

The spelling of 111100133212 in words is "one hundred eleven billion, one hundred million, one hundred thirty-three thousand, two hundred twelve".