11111244223 has 4 divisors (see below), whose sum is σ = 11469671488. Its totient is φ = 10752816960.

The previous prime is 11111244203. The next prime is 11111244233. The reversal of 11111244223 is 32244211111.

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 11111244223 - 2²⁹ = 10574373311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11111244194 and 11111244203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111244203) 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, 179213586 + ... + 179213647.

It is an arithmetic number, because the mean of its divisors is an integer number (2867417872).

Almost surely, 2^11111244223 is an apocalyptic number.

11111244223 is a deficient number, since it is larger than the sum of its proper divisors (358427265).

11111244223 is an equidigital number, since it uses as much as digits as its factorization.

11111244223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358427264.

The product of its digits is 384, while the sum is 22.

Adding to 11111244223 its reverse (32244211111), we get a palindrome (43355455334).

The spelling of 11111244223 in words is "eleven billion, one hundred eleven million, two hundred forty-four thousand, two hundred twenty-three".