11041021 has 2 divisors, whose sum is σ = 11041022. Its totient is φ = 11041020.

The previous prime is 11041001. The next prime is 11041039. The reversal of 11041021 is 12014011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7080921 + 3960100 = 2661^2 + 1990^2 .

It is a cyclic number.

It is not a de Polignac number, because 11041021 - 2⁷ = 11040893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11040989 and 11041007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11041001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5520510 + 5520511.

It is an arithmetic number, because the mean of its divisors is an integer number (5520511).

Almost surely, 2^11041021 is an apocalyptic number.

It is an amenable number.

11041021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11041021 is an equidigital number, since it uses as much as digits as its factorization.

11041021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 11041021 is about 3322.8031840601. The cubic root of 11041021 is about 222.6741203217.

Adding to 11041021 its reverse (12014011), we get a palindrome (23055032).

The spelling of 11041021 in words is "eleven million, forty-one thousand, twenty-one".