11112103223 has 4 divisors (see below), whose sum is σ = 11966880408. Its totient is φ = 10257326040.

The previous prime is 11112103207. The next prime is 11112103237. The reversal of 11112103223 is 32230121111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32230121111 = 152389 ⋅211499.

It is not a de Polignac number, because 11112103223 - 2⁴ = 11112103207 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 (11112103243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427388573 + ... + 427388598.

It is an arithmetic number, because the mean of its divisors is an integer number (2991720102).

Almost surely, 2^11112103223 is an apocalyptic number.

11112103223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11112103223 is a deficient number, since it is larger than the sum of its proper divisors (854777185).

11112103223 is an equidigital number, since it uses as much as digits as its factorization.

11112103223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854777184.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11112103223 its reverse (32230121111), we get a palindrome (43342224334).

The spelling of 11112103223 in words is "eleven billion, one hundred twelve million, one hundred three thousand, two hundred twenty-three".