11224324421 has 4 divisors (see below), whose sum is σ = 11231336844. Its totient is φ = 11217312000.

The previous prime is 11224324367. The next prime is 11224324439. The reversal of 11224324421 is 12442342211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7209708100 + 4014616321 = 84910^2 + 63361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11224324421 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 (11224324481) 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, 3503810 + ... + 3507011.

It is an arithmetic number, because the mean of its divisors is an integer number (2807834211).

Almost surely, 2^11224324421 is an apocalyptic number.

It is an amenable number.

11224324421 is a deficient number, since it is larger than the sum of its proper divisors (7012423).

11224324421 is an equidigital number, since it uses as much as digits as its factorization.

11224324421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7012422.

The product of its digits is 3072, while the sum is 26.

Adding to 11224324421 its reverse (12442342211), we get a palindrome (23666666632).

The spelling of 11224324421 in words is "eleven billion, two hundred twenty-four million, three hundred twenty-four thousand, four hundred twenty-one".