111131330012 has 48 divisors (see below), whose sum is σ = 201909576960. Its totient is φ = 53457073152.

The previous prime is 111131329999. The next prime is 111131330029. The reversal of 111131330012 is 210033131111.

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 15 ways as a sum of consecutive naturals, for example, 45977828 + ... + 45980244.

It is an arithmetic number, because the mean of its divisors is an integer number (4206449520).

Almost surely, 2^111131330012 is an apocalyptic number.

It is an amenable number.

111131330012 is a deficient number, since it is larger than the sum of its proper divisors (90778246948).

111131330012 is a wasteful number, since it uses less digits than its factorization.

111131330012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710 (or 3708 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 111131330012 its reverse (210033131111), we get a palindrome (321164461123).

The spelling of 111131330012 in words is "one hundred eleven billion, one hundred thirty-one million, three hundred thirty thousand, twelve".