11321221330011 has 32 divisors (see below), whose sum is σ = 16355337419520. Its totient is φ = 6937998971904.

The previous prime is 11321221329989. The next prime is 11321221330037. The reversal of 11321221330011 is 11003312212311.

11321221330011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11321221330011 - 2⁹ = 11321221329499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11321221330011.

It is not an unprimeable number, because it can be changed into a prime (11321221331011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53972511 + ... + 54181863.

It is an arithmetic number, because the mean of its divisors is an integer number (511104294360).

Almost surely, 2^{11321221330011} is an apocalyptic number.

11321221330011 is a deficient number, since it is larger than the sum of its proper divisors (5034116089509).

11321221330011 is a wasteful number, since it uses less digits than its factorization.

11321221330011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234075.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 11321221330011 its reverse (11003312212311), we get a palindrome (22324533542322).

The spelling of 11321221330011 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-one million, three hundred thirty thousand, eleven".