21112020300307 has 2 divisors, whose sum is σ = 21112020300308. Its totient is φ = 21112020300306.

The previous prime is 21112020300299. The next prime is 21112020300367. The reversal of 21112020300307 is 70300302021112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21112020300307 - 2³ = 21112020300299 is a prime.

It is not a weakly prime, because it can be changed into another prime (21112020300367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556010150153 + 10556010150154.

It is an arithmetic number, because the mean of its divisors is an integer number (10556010150154).

Almost surely, 2^{21112020300307} is an apocalyptic number.

21112020300307 is a deficient number, since it is larger than the sum of its proper divisors (1).

21112020300307 is an equidigital number, since it uses as much as digits as its factorization.

21112020300307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 21112020300307 its reverse (70300302021112), we get a palindrome (91412322321419).

The spelling of 21112020300307 in words is "twenty-one trillion, one hundred twelve billion, twenty million, three hundred thousand, three hundred seven".