111312101312203 has 16 divisors (see below), whose sum is σ = 121905212076000. Its totient is φ = 100797970636800.

The previous prime is 111312101312197. The next prime is 111312101312213. The reversal of 111312101312203 is 302213101213111.

It is a cyclic number.

It is not a de Polignac number, because 111312101312203 - 2¹⁷ = 111312101181131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111312101312213) 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 15 ways as a sum of consecutive naturals, for example, 372304993 + ... + 372603853.

It is an arithmetic number, because the mean of its divisors is an integer number (7619075754750).

Almost surely, 2^{111312101312203} is an apocalyptic number.

111312101312203 is a deficient number, since it is larger than the sum of its proper divisors (10593110763797).

111312101312203 is a wasteful number, since it uses less digits than its factorization.

111312101312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430878.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 111312101312203 its reverse (302213101213111), we get a palindrome (413525202525314).

The spelling of 111312101312203 in words is "one hundred eleven trillion, three hundred twelve billion, one hundred one million, three hundred twelve thousand, two hundred three".