11122443223 has 4 divisors (see below), whose sum is σ = 11393722368. Its totient is φ = 10851164080.

The previous prime is 11122443179. The next prime is 11122443251. The reversal of 11122443223 is 32234422111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32234422111 = 1847 ⋅17452313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11122443223 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 (11122443923) 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, 135639511 + ... + 135639592.

It is an arithmetic number, because the mean of its divisors is an integer number (2848430592).

Almost surely, 2^11122443223 is an apocalyptic number.

11122443223 is a deficient number, since it is larger than the sum of its proper divisors (271279145).

11122443223 is an equidigital number, since it uses as much as digits as its factorization.

11122443223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271279144.

The product of its digits is 2304, while the sum is 25.

Adding to 11122443223 its reverse (32234422111), we get a palindrome (43356865334).

The spelling of 11122443223 in words is "eleven billion, one hundred twenty-two million, four hundred forty-three thousand, two hundred twenty-three".