21000032303099 has 2 divisors, whose sum is σ = 21000032303100. Its totient is φ = 21000032303098.

The previous prime is 21000032303027. The next prime is 21000032303147. The reversal of 21000032303099 is 99030323000012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21000032303099 - 2¹² = 21000032299003 is a prime.

It is not a weakly prime, because it can be changed into another prime (21000032309099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10500016151549 + 10500016151550.

It is an arithmetic number, because the mean of its divisors is an integer number (10500016151550).

Almost surely, 2^{21000032303099} is an apocalyptic number.

21000032303099 is a deficient number, since it is larger than the sum of its proper divisors (1).

21000032303099 is an equidigital number, since it uses as much as digits as its factorization.

21000032303099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 32.

The spelling of 21000032303099 in words is "twenty-one trillion, thirty-two million, three hundred three thousand, ninety-nine".