21032210027 has 2 divisors, whose sum is σ = 21032210028. Its totient is φ = 21032210026.

The previous prime is 21032209987. The next prime is 21032210047. The reversal of 21032210027 is 72001223012.

It is an a-pointer prime, because the next prime (21032210047) can be obtained adding 21032210027 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21032210027 - 2²⁸ = 20763774571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21032209990 and 21032210008.

It is not a weakly prime, because it can be changed into another prime (21032210047) 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, 10516105013 + 10516105014.

It is an arithmetic number, because the mean of its divisors is an integer number (10516105014).

Almost surely, 2^21032210027 is an apocalyptic number.

21032210027 is a deficient number, since it is larger than the sum of its proper divisors (1).

21032210027 is an equidigital number, since it uses as much as digits as its factorization.

21032210027 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 21032210027 its reverse (72001223012), we get a palindrome (93033433039).

The spelling of 21032210027 in words is "twenty-one billion, thirty-two million, two hundred ten thousand, twenty-seven".