2132132221 has 2 divisors, whose sum is σ = 2132132222. Its totient is φ = 2132132220.

The previous prime is 2132132203. The next prime is 2132132257. The reversal of 2132132221 is 1222312312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1839208996 + 292923225 = 42886^2 + 17115^2 .

It is a cyclic number.

It is not a de Polignac number, because 2132132221 - 2⁹ = 2132131709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2132132281) 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 as a sum of consecutive naturals, namely, 1066066110 + 1066066111.

It is an arithmetic number, because the mean of its divisors is an integer number (1066066111).

Almost surely, 2^2132132221 is an apocalyptic number.

It is an amenable number.

2132132221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132132221 is an equidigital number, since it uses as much as digits as its factorization.

2132132221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 2132132221 is about 46175.0172820758. The cubic root of 2132132221 is about 1287.0775380338.

Adding to 2132132221 its reverse (1222312312), we get a palindrome (3354444533).

The spelling of 2132132221 in words is "two billion, one hundred thirty-two million, one hundred thirty-two thousand, two hundred twenty-one".