1132232040221 has 4 divisors (see below), whose sum is σ = 1132480286844. Its totient is φ = 1131983793600.

The previous prime is 1132232040211. The next prime is 1132232040227. The reversal of 1132232040221 is 1220402322311.

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 492649572100 + 639582468121 = 701890^2 + 799739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1132232040221 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 (1132232040227) 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, 124116470 + ... + 124125591.

It is an arithmetic number, because the mean of its divisors is an integer number (283120071711).

Almost surely, 2^{1132232040221} is an apocalyptic number.

It is an amenable number.

1132232040221 is a deficient number, since it is larger than the sum of its proper divisors (248246623).

1132232040221 is an equidigital number, since it uses as much as digits as its factorization.

1132232040221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248246622.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1132232040221 its reverse (1220402322311), we get a palindrome (2352634362532).

The spelling of 1132232040221 in words is "one trillion, one hundred thirty-two billion, two hundred thirty-two million, forty thousand, two hundred twenty-one".