21020332002199 has 2 divisors, whose sum is σ = 21020332002200. Its totient is φ = 21020332002198.

The previous prime is 21020332002139. The next prime is 21020332002203. The reversal of 21020332002199 is 99120023302012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21020332002199 - 2⁷ = 21020332002071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21020332002139) 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, 10510166001099 + 10510166001100.

It is an arithmetic number, because the mean of its divisors is an integer number (10510166001100).

Almost surely, 2^{21020332002199} is an apocalyptic number.

21020332002199 is a deficient number, since it is larger than the sum of its proper divisors (1).

21020332002199 is an equidigital number, since it uses as much as digits as its factorization.

21020332002199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 21020332002199 in words is "twenty-one trillion, twenty billion, three hundred thirty-two million, two thousand, one hundred ninety-nine".