111334113212 has 24 divisors (see below), whose sum is σ = 226442267520. Its totient is φ = 46905896880.

The previous prime is 111334113197. The next prime is 111334113229. The reversal of 111334113212 is 212311433111.

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, 33695114 + ... + 33698417.

It is an arithmetic number, because the mean of its divisors is an integer number (9435094480).

Almost surely, 2^111334113212 is an apocalyptic number.

It is an amenable number.

111334113212 is an abundant number, since it is smaller than the sum of its proper divisors (115108154308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111334113212 is a wasteful number, since it uses less digits than its factorization.

111334113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67393601 (or 67393599 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

Adding to 111334113212 its reverse (212311433111), we get a palindrome (323645546323).

The spelling of 111334113212 in words is "one hundred eleven billion, three hundred thirty-four million, one hundred thirteen thousand, two hundred twelve".