111312103203120 has 40 divisors (see below), whose sum is σ = 345067519930416. Its totient is φ = 29683227520768.

The previous prime is 111312103203083. The next prime is 111312103203137. The reversal of 111312103203120 is 21302301213111.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231900214767 + ... + 231900215246.

Almost surely, 2^{111312103203120} is an apocalyptic number.

111312103203120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111312103203120 is an abundant number, since it is smaller than the sum of its proper divisors (233755416727296).

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

111312103203120 is a wasteful number, since it uses less digits than its factorization.

111312103203120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463800430029 (or 463800430023 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 111312103203120 its reverse (21302301213111), we get a palindrome (132614404416231).

The spelling of 111312103203120 in words is "one hundred eleven trillion, three hundred twelve billion, one hundred three million, two hundred three thousand, one hundred twenty".