21303200099 has 2 divisors, whose sum is σ = 21303200100. Its totient is φ = 21303200098.

The previous prime is 21303200069. The next prime is 21303200117. The reversal of 21303200099 is 99000230312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21303200099 - 2⁸ = 21303199843 is a prime.

It is not a weakly prime, because it can be changed into another prime (21303200069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10651600049 + 10651600050.

It is an arithmetic number, because the mean of its divisors is an integer number (10651600050).

Almost surely, 2^21303200099 is an apocalyptic number.

21303200099 is a deficient number, since it is larger than the sum of its proper divisors (1).

21303200099 is an equidigital number, since it uses as much as digits as its factorization.

21303200099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 21303200099 in words is "twenty-one billion, three hundred three million, two hundred thousand, ninety-nine".