11046221 has 4 divisors (see below), whose sum is σ = 11179392. Its totient is φ = 10913052.

The previous prime is 11046197. The next prime is 11046229. The reversal of 11046221 is 12264011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11046221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11046221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11046229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66461 + ... + 66626.

It is an arithmetic number, because the mean of its divisors is an integer number (2794848).

Almost surely, 2^11046221 is an apocalyptic number.

It is an amenable number.

11046221 is a deficient number, since it is larger than the sum of its proper divisors (133171).

11046221 is an equidigital number, since it uses as much as digits as its factorization.

11046221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133170.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 11046221 is about 3323.5855638151. The cubic root of 11046221 is about 222.7090725148.

The spelling of 11046221 in words is "eleven million, forty-six thousand, two hundred twenty-one".