21230022000211 has 2 divisors, whose sum is σ = 21230022000212. Its totient is φ = 21230022000210.

The previous prime is 21230022000169. The next prime is 21230022000269. The reversal of 21230022000211 is 11200022003212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21230022000211 - 2⁹ = 21230021999699 is a prime.

It is not a weakly prime, because it can be changed into another prime (21230022000311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10615011000105 + 10615011000106.

It is an arithmetic number, because the mean of its divisors is an integer number (10615011000106).

Almost surely, 2^{21230022000211} is an apocalyptic number.

21230022000211 is a deficient number, since it is larger than the sum of its proper divisors (1).

21230022000211 is an equidigital number, since it uses as much as digits as its factorization.

21230022000211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21230022000211 its reverse (11200022003212), we get a palindrome (32430044003423).

The spelling of 21230022000211 in words is "twenty-one trillion, two hundred thirty billion, twenty-two million, two hundred eleven", and thus it is an aban number.