1132240243221 has 64 divisors (see below), whose sum is σ = 1754008439040. Its totient is φ = 721202227200.

The previous prime is 1132240243207. The next prime is 1132240243273. The reversal of 1132240243221 is 1223420422311.

1132240243221 is a `hidden beast` number, since 1 + 1 + 3 + 224 + 0 + 2 + 432 + 2 + 1 = 666.

It is not a de Polignac number, because 1132240243221 - 2⁷ = 1132240243093 is a prime.

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 (1132240243021) 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 63 ways as a sum of consecutive naturals, for example, 20709321 + ... + 20763921.

It is an arithmetic number, because the mean of its divisors is an integer number (27406381860).

Almost surely, 2^{1132240243221} is an apocalyptic number.

It is an amenable number.

1132240243221 is a deficient number, since it is larger than the sum of its proper divisors (621768195819).

1132240243221 is a wasteful number, since it uses less digits than its factorization.

1132240243221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55043 (or 55037 counting only the distinct ones).

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

Adding to 1132240243221 its reverse (1223420422311), we get a palindrome (2355660665532).

The spelling of 1132240243221 in words is "one trillion, one hundred thirty-two billion, two hundred forty million, two hundred forty-three thousand, two hundred twenty-one".