111312133103332 has 72 divisors (see below), whose sum is σ = 234967618374720. Its totient is φ = 45192553767360.

The previous prime is 111312133103321. The next prime is 111312133103333. The reversal of 111312133103332 is 233301331213111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 111312133103332.

It is not an unprimeable number, because it can be changed into a prime (111312133103333) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 262404019 + ... + 262827877.

Almost surely, 2^{111312133103332} is an apocalyptic number.

It is an amenable number.

111312133103332 is an abundant number, since it is smaller than the sum of its proper divisors (123655485271388).

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

111312133103332 is a wasteful number, since it uses less digits than its factorization.

111312133103332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449889 (or 449868 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 111312133103332 its reverse (233301331213111), we get a palindrome (344613464316443).

The spelling of 111312133103332 in words is "one hundred eleven trillion, three hundred twelve billion, one hundred thirty-three million, one hundred three thousand, three hundred thirty-two".