21310202204311 has 2 divisors, whose sum is σ = 21310202204312. Its totient is φ = 21310202204310.

The previous prime is 21310202204303. The next prime is 21310202204321. The reversal of 21310202204311 is 11340220201312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21310202204311 - 2³ = 21310202204303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21310202204321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10655101102155 + 10655101102156.

It is an arithmetic number, because the mean of its divisors is an integer number (10655101102156).

Almost surely, 2^{21310202204311} is an apocalyptic number.

21310202204311 is a deficient number, since it is larger than the sum of its proper divisors (1).

21310202204311 is an equidigital number, since it uses as much as digits as its factorization.

21310202204311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21310202204311 its reverse (11340220201312), we get a palindrome (32650422405623).

The spelling of 21310202204311 in words is "twenty-one trillion, three hundred ten billion, two hundred two million, two hundred four thousand, three hundred eleven".