21020302300199 has 4 divisors (see below), whose sum is σ = 21020378142864. Its totient is φ = 21020226457536.

The previous prime is 21020302300169. The next prime is 21020302300273. The reversal of 21020302300199 is 99100320302012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21020302300199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21020302300169) 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 in 3 ways as a sum of consecutive naturals, for example, 37504067 + ... + 38060420.

It is an arithmetic number, because the mean of its divisors is an integer number (5255094535716).

Almost surely, 2^{21020302300199} is an apocalyptic number.

21020302300199 is a deficient number, since it is larger than the sum of its proper divisors (75842665).

21020302300199 is an equidigital number, since it uses as much as digits as its factorization.

21020302300199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75842664.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 21020302300199 in words is "twenty-one trillion, twenty billion, three hundred two million, three hundred thousand, one hundred ninety-nine".