11221099 has 4 divisors (see below), whose sum is σ = 11232000. Its totient is φ = 11210200.

The previous prime is 11221097. The next prime is 11221103. The reversal of 11221099 is 99012211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11221099 - 2¹ = 11221097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221097) 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, 3724 + ... + 6025.

It is an arithmetic number, because the mean of its divisors is an integer number (2808000).

Almost surely, 2^11221099 is an apocalyptic number.

11221099 is a deficient number, since it is larger than the sum of its proper divisors (10901).

11221099 is an equidigital number, since it uses as much as digits as its factorization.

11221099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10900.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 11221099 is about 3349.7908889959. The cubic root of 11221099 is about 223.8781956301.

The spelling of 11221099 in words is "eleven million, two hundred twenty-one thousand, ninety-nine".