111332312212 has 48 divisors (see below), whose sum is σ = 214819835328. Its totient is φ = 50064030720.

The previous prime is 111332312173. The next prime is 111332312227. The reversal of 111332312212 is 212213233111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18592683 + ... + 18598669.

It is an arithmetic number, because the mean of its divisors is an integer number (4475413236).

Almost surely, 2^111332312212 is an apocalyptic number.

It is an amenable number.

111332312212 is a deficient number, since it is larger than the sum of its proper divisors (103487523116).

111332312212 is a wasteful number, since it uses less digits than its factorization.

111332312212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10456 (or 10454 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 111332312212 its reverse (212213233111), we get a palindrome (323545545323).

The spelling of 111332312212 in words is "one hundred eleven billion, three hundred thirty-two million, three hundred twelve thousand, two hundred twelve".