21332300207 has 2 divisors, whose sum is σ = 21332300208. Its totient is φ = 21332300206.

The previous prime is 21332300203. The next prime is 21332300219. The reversal of 21332300207 is 70200323312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21332300207 - 2² = 21332300203 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21332300201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10666150103 + 10666150104.

It is an arithmetic number, because the mean of its divisors is an integer number (10666150104).

Almost surely, 2^21332300207 is an apocalyptic number.

21332300207 is a deficient number, since it is larger than the sum of its proper divisors (1).

21332300207 is an equidigital number, since it uses as much as digits as its factorization.

21332300207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 23.

Adding to 21332300207 its reverse (70200323312), we get a palindrome (91532623519).

The spelling of 21332300207 in words is "twenty-one billion, three hundred thirty-two million, three hundred thousand, two hundred seven".