111331322002012 has 96 divisors (see below), whose sum is σ = 238326494265216. Its totient is φ = 44420313907200.

The previous prime is 111331322002007. The next prime is 111331322002027. The reversal of 111331322002012 is 210200223133111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15286812 + ... + 21362332.

It is an arithmetic number, because the mean of its divisors is an integer number (2482567648596).

Almost surely, 2^{111331322002012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111331322002012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119163247132608).

111331322002012 is an abundant number, since it is smaller than the sum of its proper divisors (126995172263204).

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

111331322002012 is a wasteful number, since it uses less digits than its factorization.

111331322002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6075967 (or 6075965 counting only the distinct ones).

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

Adding to 111331322002012 its reverse (210200223133111), we get a palindrome (321531545135123).

The spelling of 111331322002012 in words is "one hundred eleven trillion, three hundred thirty-one billion, three hundred twenty-two million, two thousand, twelve".