21110002002211 has 2 divisors, whose sum is σ = 21110002002212. Its totient is φ = 21110002002210.

The previous prime is 21110002002209. The next prime is 21110002002227. The reversal of 21110002002211 is 11220020001112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21110002002211 - 2¹ = 21110002002209 is a prime.

Together with 21110002002209, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 21110002002191 and 21110002002200.

It is not a weakly prime, because it can be changed into another prime (21110002002811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10555001001105 + 10555001001106.

It is an arithmetic number, because the mean of its divisors is an integer number (10555001001106).

Almost surely, 2^{21110002002211} is an apocalyptic number.

21110002002211 is a deficient number, since it is larger than the sum of its proper divisors (1).

21110002002211 is an equidigital number, since it uses as much as digits as its factorization.

21110002002211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21110002002211 its reverse (11220020001112), we get a palindrome (32330022003323).

The spelling of 21110002002211 in words is "twenty-one trillion, one hundred ten billion, two million, two thousand, two hundred eleven".