11017021 has 2 divisors, whose sum is σ = 11017022. Its totient is φ = 11017020.

The previous prime is 11016989. The next prime is 11017033. The reversal of 11017021 is 12071011.

11017021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5904900 + 5112121 = 2430^2 + 2261^2 .

It is a cyclic number.

It is not a de Polignac number, because 11017021 - 2⁵ = 11016989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11016992 and 11017010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11017051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5508510 + 5508511.

It is an arithmetic number, because the mean of its divisors is an integer number (5508511).

Almost surely, 2^11017021 is an apocalyptic number.

It is an amenable number.

11017021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11017021 is an equidigital number, since it uses as much as digits as its factorization.

11017021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 11017021 is about 3319.1898107821. The cubic root of 11017021 is about 222.5126601389.

Adding to 11017021 its reverse (12071011), we get a palindrome (23088032).

The spelling of 11017021 in words is "eleven million, seventeen thousand, twenty-one".