21112020300299 has 2 divisors, whose sum is σ = 21112020300300. Its totient is φ = 21112020300298.

The previous prime is 21112020300289. The next prime is 21112020300307. The reversal of 21112020300299 is 99200302021112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21112020300299 - 2⁸ = 21112020300043 is a prime.

It is not a weakly prime, because it can be changed into another prime (21112020300289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556010150149 + 10556010150150.

It is an arithmetic number, because the mean of its divisors is an integer number (10556010150150).

Almost surely, 2^{21112020300299} is an apocalyptic number.

21112020300299 is a deficient number, since it is larger than the sum of its proper divisors (1).

21112020300299 is an equidigital number, since it uses as much as digits as its factorization.

21112020300299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 21112020300299 in words is "twenty-one trillion, one hundred twelve billion, twenty million, three hundred thousand, two hundred ninety-nine".