11220323311 has 8 divisors (see below), whose sum is σ = 11364384320. Its totient is φ = 11076313248.

The previous prime is 11220323281. The next prime is 11220323341. The reversal of 11220323311 is 11332302211.

It is an interprime number because it is at equal distance from previous prime (11220323281) and next prime (11220323341).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11220323311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220323341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648505 + ... + 665581.

It is an arithmetic number, because the mean of its divisors is an integer number (1420548040).

Almost surely, 2^11220323311 is an apocalyptic number.

11220323311 is a deficient number, since it is larger than the sum of its proper divisors (144061009).

11220323311 is an equidigital number, since it uses as much as digits as its factorization.

11220323311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25473.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11220323311 its reverse (11332302211), we get a palindrome (22552625522).

The spelling of 11220323311 in words is "eleven billion, two hundred twenty million, three hundred twenty-three thousand, three hundred eleven".