21310310010211 has 2 divisors, whose sum is σ = 21310310010212. Its totient is φ = 21310310010210.

The previous prime is 21310310010193. The next prime is 21310310010221. The reversal of 21310310010211 is 11201001301312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21310310010211 - 2⁵ = 21310310010179 is a prime.

It is not a weakly prime, because it can be changed into another prime (21310310010221) 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 as a sum of consecutive naturals, namely, 10655155005105 + 10655155005106.

It is an arithmetic number, because the mean of its divisors is an integer number (10655155005106).

Almost surely, 2^{21310310010211} is an apocalyptic number.

21310310010211 is a deficient number, since it is larger than the sum of its proper divisors (1).

21310310010211 is an equidigital number, since it uses as much as digits as its factorization.

21310310010211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 21310310010211 its reverse (11201001301312), we get a palindrome (32511311311523).

The spelling of 21310310010211 in words is "twenty-one trillion, three hundred ten billion, three hundred ten million, ten thousand, two hundred eleven".