11044021 has 2 divisors, whose sum is σ = 11044022. Its totient is φ = 11044020.

The previous prime is 11044009. The next prime is 11044027. The reversal of 11044021 is 12044011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8439025 + 2604996 = 2905^2 + 1614^2 .

It is a cyclic number.

It is not a de Polignac number, because 11044021 - 2²¹ = 8946869 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11043992 and 11044010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11044027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5522010 + 5522011.

It is an arithmetic number, because the mean of its divisors is an integer number (5522011).

Almost surely, 2^11044021 is an apocalyptic number.

It is an amenable number.

11044021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11044021 is an equidigital number, since it uses as much as digits as its factorization.

11044021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 11044021 is about 3323.2545794748. The cubic root of 11044021 is about 222.6942863875.

Adding to 11044021 its reverse (12044011), we get a palindrome (23088032).

The spelling of 11044021 in words is "eleven million, forty-four thousand, twenty-one".