11027221 has 16 divisors (see below), whose sum is σ = 12038400. Its totient is φ = 10075968.

The previous prime is 11027213. The next prime is 11027231. The reversal of 11027221 is 12272011.

It is a cyclic number.

It is not a de Polignac number, because 11027221 - 2³ = 11027213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11027195 and 11027204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11027231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46020 + ... + 46258.

It is an arithmetic number, because the mean of its divisors is an integer number (752400).

Almost surely, 2^11027221 is an apocalyptic number.

It is an amenable number.

11027221 is a deficient number, since it is larger than the sum of its proper divisors (1011179).

11027221 is a wasteful number, since it uses less digits than its factorization.

11027221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 11027221 is about 3320.7259748435. The cubic root of 11027221 is about 222.5813093396.

Adding to 11027221 its reverse (12272011), we get a palindrome (23299232).

The spelling of 11027221 in words is "eleven million, twenty-seven thousand, two hundred twenty-one".