21203232200027 has 2 divisors, whose sum is σ = 21203232200028. Its totient is φ = 21203232200026.

The previous prime is 21203232199931. The next prime is 21203232200107. The reversal of 21203232200027 is 72000223230212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21203232200027 - 2⁸ = 21203232199771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21203232199969 and 21203232200005.

It is not a weakly prime, because it can be changed into another prime (21203232202027) 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, 10601616100013 + 10601616100014.

It is an arithmetic number, because the mean of its divisors is an integer number (10601616100014).

Almost surely, 2^{21203232200027} is an apocalyptic number.

21203232200027 is a deficient number, since it is larger than the sum of its proper divisors (1).

21203232200027 is an equidigital number, since it uses as much as digits as its factorization.

21203232200027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 21203232200027 its reverse (72000223230212), we get a palindrome (93203455430239).

The spelling of 21203232200027 in words is "twenty-one trillion, two hundred three billion, two hundred thirty-two million, two hundred thousand, twenty-seven".