11021324311 has 4 divisors (see below), whose sum is σ = 11023591824. Its totient is φ = 11019056800.

The previous prime is 11021324297. The next prime is 11021324339. The reversal of 11021324311 is 11342312011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11021324311 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 (11021324341) 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, 1126450 + ... + 1136191.

It is an arithmetic number, because the mean of its divisors is an integer number (2755897956).

Almost surely, 2^11021324311 is an apocalyptic number.

11021324311 is a deficient number, since it is larger than the sum of its proper divisors (2267513).

11021324311 is an equidigital number, since it uses as much as digits as its factorization.

11021324311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267512.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11021324311 its reverse (11342312011), we get a palindrome (22363636322).

The spelling of 11021324311 in words is "eleven billion, twenty-one million, three hundred twenty-four thousand, three hundred eleven".