11002213 has 4 divisors (see below), whose sum is σ = 11649420. Its totient is φ = 10355008.

The previous prime is 11002207. The next prime is 11002219. The reversal of 11002213 is 31220011.

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

It is an interprime number because it is at equal distance from previous prime (11002207) and next prime (11002219).

It can be written as a sum of positive squares in 2 ways, for example, as 8105409 + 2896804 = 2847^2 + 1702^2 .

It is a cyclic number.

It is not a de Polignac number, because 11002213 - 2¹³ = 10994021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11002213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002219) 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 3 ways as a sum of consecutive naturals, for example, 323578 + ... + 323611.

It is an arithmetic number, because the mean of its divisors is an integer number (2912355).

Almost surely, 2^11002213 is an apocalyptic number.

It is an amenable number.

11002213 is a deficient number, since it is larger than the sum of its proper divisors (647207).

11002213 is an equidigital number, since it uses as much as digits as its factorization.

11002213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647206.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 11002213 is about 3316.9583958802. The cubic root of 11002213 is about 222.4129222022.

Adding to 11002213 its reverse (31220011), we get a palindrome (42222224).

The spelling of 11002213 in words is "eleven million, two thousand, two hundred thirteen".