11220334221 has 8 divisors (see below), whose sum is σ = 14962836960. Its totient is φ = 7479027152.

The previous prime is 11220334217. The next prime is 11220334241. The reversal of 11220334221 is 12243302211.

11220334221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11220334221 - 2² = 11220334217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220334201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276786 + ... + 314723.

It is an arithmetic number, because the mean of its divisors is an integer number (1870354620).

Almost surely, 2^11220334221 is an apocalyptic number.

It is an amenable number.

11220334221 is a deficient number, since it is larger than the sum of its proper divisors (3742502739).

11220334221 is an equidigital number, since it uses as much as digits as its factorization.

11220334221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597835.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11220334221 its reverse (12243302211), we get a palindrome (23463636432).

The spelling of 11220334221 in words is "eleven billion, two hundred twenty million, three hundred thirty-four thousand, two hundred twenty-one".