21300200102287 has 2 divisors, whose sum is σ = 21300200102288. Its totient is φ = 21300200102286.

The previous prime is 21300200102201. The next prime is 21300200102309. The reversal of 21300200102287 is 78220100200312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21300200102287 - 2¹¹ = 21300200100239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21300200106287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10650100051143 + 10650100051144.

It is an arithmetic number, because the mean of its divisors is an integer number (10650100051144).

Almost surely, 2^{21300200102287} is an apocalyptic number.

21300200102287 is a deficient number, since it is larger than the sum of its proper divisors (1).

21300200102287 is an equidigital number, since it uses as much as digits as its factorization.

21300200102287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 21300200102287 its reverse (78220100200312), we get a palindrome (99520300302599).

The spelling of 21300200102287 in words is "twenty-one trillion, three hundred billion, two hundred million, one hundred two thousand, two hundred eighty-seven".