11240204433021 has 12 divisors (see below), whose sum is σ = 16235956249500. Its totient is φ = 7493420975040.

The previous prime is 11240204433011. The next prime is 11240204433053. The reversal of 11240204433021 is 12033440204211.

11240204433021 is a `hidden beast` number, since 1 + 1 + 2 + 4 + 0 + 204 + 433 + 0 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 93887700921 + 11146316732100 = 306411^2 + 3338610^2 .

It is not a de Polignac number, because 11240204433021 - 2⁷ = 11240204432893 is a prime.

It is a super-2 number, since 2×11240204433021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240204433011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2561646 + ... + 5389103.

It is an arithmetic number, because the mean of its divisors is an integer number (1352996354125).

Almost surely, 2^{11240204433021} is an apocalyptic number.

It is an amenable number.

11240204433021 is a deficient number, since it is larger than the sum of its proper divisors (4995751816479).

11240204433021 is a wasteful number, since it uses less digits than its factorization.

11240204433021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8107836 (or 8107833 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 11240204433021 its reverse (12033440204211), we get a palindrome (23273644637232).

The spelling of 11240204433021 in words is "eleven trillion, two hundred forty billion, two hundred four million, four hundred thirty-three thousand, twenty-one".