21210120060211 has 2 divisors, whose sum is σ = 21210120060212. Its totient is φ = 21210120060210.

The previous prime is 21210120060191. The next prime is 21210120060251. The reversal of 21210120060211 is 11206002101212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21210120060211 - 2³⁵ = 21175760321843 is a prime.

It is not a weakly prime, because it can be changed into another prime (21210120060251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10605060030105 + 10605060030106.

It is an arithmetic number, because the mean of its divisors is an integer number (10605060030106).

Almost surely, 2^{21210120060211} is an apocalyptic number.

21210120060211 is a deficient number, since it is larger than the sum of its proper divisors (1).

21210120060211 is an equidigital number, since it uses as much as digits as its factorization.

21210120060211 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 19.

Adding to 21210120060211 its reverse (11206002101212), we get a palindrome (32416122161423).

The spelling of 21210120060211 in words is "twenty-one trillion, two hundred ten billion, one hundred twenty million, sixty thousand, two hundred eleven".