11122412221223 has 4 divisors (see below), whose sum is σ = 11122668299568. Its totient is φ = 11122156142880.

The previous prime is 11122412221213. The next prime is 11122412221229. The reversal of 11122412221223 is 32212221422111.

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 11122412221223 - 2²⁰ = 11122411172647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11122412221192 and 11122412221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122412221229) 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, 127974011 + ... + 128060892.

It is an arithmetic number, because the mean of its divisors is an integer number (2780667074892).

Almost surely, 2^{11122412221223} is an apocalyptic number.

11122412221223 is a deficient number, since it is larger than the sum of its proper divisors (256078345).

11122412221223 is an equidigital number, since it uses as much as digits as its factorization.

11122412221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256078344.

The product of its digits is 1536, while the sum is 26.

Adding to 11122412221223 its reverse (32212221422111), we get a palindrome (43334633643334).

The spelling of 11122412221223 in words is "eleven trillion, one hundred twenty-two billion, four hundred twelve million, two hundred twenty-one thousand, two hundred twenty-three".