111312103032103 has 4 divisors (see below), whose sum is σ = 111369747831048. Its totient is φ = 111254458233160.

The previous prime is 111312103031999. The next prime is 111312103032199. The reversal of 111312103032103 is 301230301213111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111312103032103 - 2¹³ = 111312103023911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312103032503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28822396576 + ... + 28822400437.

It is an arithmetic number, because the mean of its divisors is an integer number (27842436957762).

Almost surely, 2^{111312103032103} is an apocalyptic number.

111312103032103 is a deficient number, since it is larger than the sum of its proper divisors (57644798945).

111312103032103 is an equidigital number, since it uses as much as digits as its factorization.

111312103032103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57644798944.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 111312103032103 its reverse (301230301213111), we get a palindrome (412542404245214).

The spelling of 111312103032103 in words is "one hundred eleven trillion, three hundred twelve billion, one hundred three million, thirty-two thousand, one hundred three".