11221130 has 8 divisors (see below), whose sum is σ = 20198052. Its totient is φ = 4488448.

The previous prime is 11221127. The next prime is 11221141. The reversal of 11221130 is 3112211.

It can be written as a sum of positive squares in 2 ways, for example, as 11215801 + 5329 = 3349^2 + 73^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 561047 + ... + 561066.

Almost surely, 2^11221130 is an apocalyptic number.

11221130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221130 is a deficient number, since it is larger than the sum of its proper divisors (8976922).

11221130 is a wasteful number, since it uses less digits than its factorization.

11221130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122120.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 11221130 is about 3349.7955161472. The cubic root of 11221130 is about 223.8784017958.

Adding to 11221130 its reverse (3112211), we get a palindrome (14333341).

The spelling of 11221130 in words is "eleven million, two hundred twenty-one thousand, one hundred thirty".