203000132221 has 2 divisors, whose sum is σ = 203000132222. Its totient is φ = 203000132220.

The previous prime is 203000132197. The next prime is 203000132227. The reversal of 203000132221 is 122231000302.

203000132221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199277424025 + 3722708196 = 446405^2 + 61014^2 .

It is a cyclic number.

It is not a de Polignac number, because 203000132221 - 2¹⁹ = 202999607933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203000132195 and 203000132204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203000132227) 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, 101500066110 + 101500066111.

It is an arithmetic number, because the mean of its divisors is an integer number (101500066111).

Almost surely, 2^203000132221 is an apocalyptic number.

It is an amenable number.

203000132221 is a deficient number, since it is larger than the sum of its proper divisors (1).

203000132221 is an equidigital number, since it uses as much as digits as its factorization.

203000132221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 203000132221 its reverse (122231000302), we get a palindrome (325231132523).

The spelling of 203000132221 in words is "two hundred three billion, one hundred thirty-two thousand, two hundred twenty-one".