11244223021 has 2 divisors, whose sum is σ = 11244223022. Its totient is φ = 11244223020.

The previous prime is 11244222991. The next prime is 11244223027. The reversal of 11244223021 is 12032244211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7893434025 + 3350788996 = 88845^2 + 57886^2 .

It is a cyclic number.

It is not a de Polignac number, because 11244223021 - 2⁷ = 11244222893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11244222983 and 11244223001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11244223027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5622111510 + 5622111511.

It is an arithmetic number, because the mean of its divisors is an integer number (5622111511).

Almost surely, 2^11244223021 is an apocalyptic number.

It is an amenable number.

11244223021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11244223021 is an equidigital number, since it uses as much as digits as its factorization.

11244223021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11244223021 its reverse (12032244211), we get a palindrome (23276467232).

The spelling of 11244223021 in words is "eleven billion, two hundred forty-four million, two hundred twenty-three thousand, twenty-one".