11021841 has 12 divisors (see below), whose sum is σ = 15982720. Its totient is φ = 7319160.

The previous prime is 11021839. The next prime is 11021861. The reversal of 11021841 is 14812011.

It is not a de Polignac number, because 11021841 - 2¹ = 11021839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180 + ... + 4698.

Almost surely, 2^11021841 is an apocalyptic number.

It is an amenable number.

11021841 is a deficient number, since it is larger than the sum of its proper divisors (4960879).

11021841 is a wasteful number, since it uses less digits than its factorization.

11021841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4796 (or 4793 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 11021841 is about 3319.9158121856. The cubic root of 11021841 is about 222.5451055296.

Adding to 11021841 its reverse (14812011), we get a palindrome (25833852).

The spelling of 11021841 in words is "eleven million, twenty-one thousand, eight hundred forty-one".