11120331332221 has 4 divisors (see below), whose sum is σ = 11222352720700. Its totient is φ = 11018309943744.

The previous prime is 11120331332207. The next prime is 11120331332261. The reversal of 11120331332221 is 12223313302111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9957880783321 + 1162450548900 = 3155611^2 + 1078170^2 .

It is a cyclic number.

It is not a de Polignac number, because 11120331332221 - 2⁷ = 11120331332093 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 (11120331332261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51010694076 + ... + 51010694293.

It is an arithmetic number, because the mean of its divisors is an integer number (2805588180175).

Almost surely, 2^{11120331332221} is an apocalyptic number.

It is an amenable number.

11120331332221 is a deficient number, since it is larger than the sum of its proper divisors (102021388479).

11120331332221 is a wasteful number, since it uses less digits than its factorization.

11120331332221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102021388478.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11120331332221 its reverse (12223313302111), we get a palindrome (23343644634332).

The spelling of 11120331332221 in words is "eleven trillion, one hundred twenty billion, three hundred thirty-one million, three hundred thirty-two thousand, two hundred twenty-one".