11221002206 has 4 divisors (see below), whose sum is σ = 16831503312. Its totient is φ = 5610501102.

The previous prime is 11221002193. The next prime is 11221002209. The reversal of 11221002206 is 60220012211.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221002209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805250550 + ... + 2805250553.

It is an arithmetic number, because the mean of its divisors is an integer number (4207875828).

Almost surely, 2^11221002206 is an apocalyptic number.

11221002206 is a deficient number, since it is larger than the sum of its proper divisors (5610501106).

11221002206 is an equidigital number, since it uses as much as digits as its factorization.

11221002206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610501105.

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

Adding to 11221002206 its reverse (60220012211), we get a palindrome (71441014417).

The spelling of 11221002206 in words is "eleven billion, two hundred twenty-one million, two thousand, two hundred six".