11113133212 has 24 divisors (see below), whose sum is σ = 20499592400. Its totient is φ = 5256907776.

The previous prime is 11113133209. The next prime is 11113133249. The reversal of 11113133212 is 21233131111.

11113133212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 11113133212.

It is a congruent number.

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, 44037 + ... + 155452.

Almost surely, 2^11113133212 is an apocalyptic number.

It is an amenable number.

11113133212 is a deficient number, since it is larger than the sum of its proper divisors (9386459188).

11113133212 is a wasteful number, since it uses less digits than its factorization.

11113133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200245 (or 200243 counting only the distinct ones).

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

Adding to 11113133212 its reverse (21233131111), we get a palindrome (32346264323).

The spelling of 11113133212 in words is "eleven billion, one hundred thirteen million, one hundred thirty-three thousand, two hundred twelve".