11223122241 has 4 divisors (see below), whose sum is σ = 14964162992. Its totient is φ = 7482081492.

The previous prime is 11223122213. The next prime is 11223122257. The reversal of 11223122241 is 14222132211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11223122241 - 2⁹ = 11223121729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11223122291) 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, 1870520371 + ... + 1870520376.

It is an arithmetic number, because the mean of its divisors is an integer number (3741040748).

Almost surely, 2^11223122241 is an apocalyptic number.

It is an amenable number.

11223122241 is a deficient number, since it is larger than the sum of its proper divisors (3741040751).

11223122241 is an equidigital number, since it uses as much as digits as its factorization.

11223122241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741040750.

The product of its digits is 384, while the sum is 21.

Adding to 11223122241 its reverse (14222132211), we get a palindrome (25445254452).

The spelling of 11223122241 in words is "eleven billion, two hundred twenty-three million, one hundred twenty-two thousand, two hundred forty-one".