11260221 has 32 divisors (see below), whose sum is σ = 17860608. Its totient is φ = 6177600.

The previous prime is 11260153. The next prime is 11260231. The reversal of 11260221 is 12206211.

It is not a de Polignac number, because 11260221 - 2⁹ = 11259709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11260221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11260231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74496 + ... + 74646.

It is an arithmetic number, because the mean of its divisors is an integer number (558144).

Almost surely, 2^11260221 is an apocalyptic number.

It is an amenable number.

11260221 is a deficient number, since it is larger than the sum of its proper divisors (6600387).

11260221 is a wasteful number, since it uses less digits than its factorization.

11260221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 11260221 is about 3355.6252770534. The cubic root of 11260221 is about 224.1380752142.

Adding to 11260221 its reverse (12206211), we get a palindrome (23466432).

The spelling of 11260221 in words is "eleven million, two hundred sixty thousand, two hundred twenty-one".