111103131113223 has 4 divisors (see below), whose sum is σ = 148137508150968. Its totient is φ = 74068754075480.

The previous prime is 111103131113201. The next prime is 111103131113231. The reversal of 111103131113223 is 322311131301111.

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 111103131113223 - 2²⁸ = 111102862677767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111103131113193 and 111103131113202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111103131111223) 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 3 ways as a sum of consecutive naturals, for example, 18517188518868 + ... + 18517188518873.

It is an arithmetic number, because the mean of its divisors is an integer number (37034377037742).

Almost surely, 2^{111103131113223} is an apocalyptic number.

111103131113223 is a deficient number, since it is larger than the sum of its proper divisors (37034377037745).

111103131113223 is an equidigital number, since it uses as much as digits as its factorization.

111103131113223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37034377037744.

The product of its (nonzero) digits is 324, while the sum is 24.

Adding to 111103131113223 its reverse (322311131301111), we get a palindrome (433414262414334).

The spelling of 111103131113223 in words is "one hundred eleven trillion, one hundred three billion, one hundred thirty-one million, one hundred thirteen thousand, two hundred twenty-three".