11221241 has 4 divisors (see below), whose sum is σ = 11881332. Its totient is φ = 10561152.

The previous prime is 11221219. The next prime is 11221247. The reversal of 11221241 is 14212211.

It is a happy number.

11221241 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10374841 + 846400 = 3221^2 + 920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11221241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330020 + ... + 330053.

It is an arithmetic number, because the mean of its divisors is an integer number (2970333).

Almost surely, 2^11221241 is an apocalyptic number.

It is an amenable number.

11221241 is a deficient number, since it is larger than the sum of its proper divisors (660091).

11221241 is an equidigital number, since it uses as much as digits as its factorization.

11221241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660090.

The product of its digits is 32, while the sum is 14.

The square root of 11221241 is about 3349.8120842817. The cubic root of 11221241 is about 223.8791399990.

Adding to 11221241 its reverse (14212211), we get a palindrome (25433452).

The spelling of 11221241 in words is "eleven million, two hundred twenty-one thousand, two hundred forty-one".