201321002027 has 2 divisors, whose sum is σ = 201321002028. Its totient is φ = 201321002026.

The previous prime is 201321002021. The next prime is 201321002039. The reversal of 201321002027 is 720200123102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201321002027 - 2¹⁰ = 201321001003 is a prime.

It is not a weakly prime, because it can be changed into another prime (201321002021) 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 as a sum of consecutive naturals, namely, 100660501013 + 100660501014.

It is an arithmetic number, because the mean of its divisors is an integer number (100660501014).

Almost surely, 2^201321002027 is an apocalyptic number.

201321002027 is a deficient number, since it is larger than the sum of its proper divisors (1).

201321002027 is an equidigital number, since it uses as much as digits as its factorization.

201321002027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 201321002027 its reverse (720200123102), we get a palindrome (921521125129).

The spelling of 201321002027 in words is "two hundred one billion, three hundred twenty-one million, two thousand, twenty-seven".