11133340240221 has 40 divisors (see below), whose sum is σ = 16646436576000. Its totient is φ = 7415468004672.

The previous prime is 11133340240193. The next prime is 11133340240237. The reversal of 11133340240221 is 12204204333111.

11133340240221 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 33 + 402 + 4 + 0 + 221 = 666.

It is not a de Polignac number, because 11133340240221 - 2¹⁵ = 11133340207453 is a prime.

It is a super-2 number, since 2×11133340240221² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133340240261) 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 39 ways as a sum of consecutive naturals, for example, 657718260 + ... + 657735186.

It is an arithmetic number, because the mean of its divisors is an integer number (416160914400).

Almost surely, 2^{11133340240221} is an apocalyptic number.

It is an amenable number.

11133340240221 is a deficient number, since it is larger than the sum of its proper divisors (5513096335779).

11133340240221 is a wasteful number, since it uses less digits than its factorization.

11133340240221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23855 (or 23846 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 11133340240221 its reverse (12204204333111), we get a palindrome (23337544573332).

The spelling of 11133340240221 in words is "eleven trillion, one hundred thirty-three billion, three hundred forty million, two hundred forty thousand, two hundred twenty-one".