11050221 has 32 divisors (see below), whose sum is σ = 19208448. Its totient is φ = 5483520.

The previous prime is 11050219. The next prime is 11050241. The reversal of 11050221 is 12205011.

It is not a de Polignac number, because 11050221 - 2¹ = 11050219 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11050197 and 11050206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11050201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3451 + ... + 5831.

It is an arithmetic number, because the mean of its divisors is an integer number (600264).

Almost surely, 2^11050221 is an apocalyptic number.

It is an amenable number.

11050221 is a deficient number, since it is larger than the sum of its proper divisors (8158227).

11050221 is a wasteful number, since it uses less digits than its factorization.

11050221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 11050221 is about 3324.1872690930. The cubic root of 11050221 is about 222.7359513537.

Adding to 11050221 its reverse (12205011), we get a palindrome (23255232).

The spelling of 11050221 in words is "eleven million, fifty thousand, two hundred twenty-one".