212221202100211 has 2 divisors, whose sum is σ = 212221202100212. Its totient is φ = 212221202100210.

The previous prime is 212221202100121. The next prime is 212221202100221. The reversal of 212221202100211 is 112001202122212.

Together with previous prime (212221202100121) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212221202100211 - 2²⁹ = 212220665229299 is a prime.

It is not a weakly prime, because it can be changed into another prime (212221202100221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106110601050105 + 106110601050106.

It is an arithmetic number, because the mean of its divisors is an integer number (106110601050106).

Almost surely, 2^{212221202100211} is an apocalyptic number.

212221202100211 is a deficient number, since it is larger than the sum of its proper divisors (1).

212221202100211 is an equidigital number, since it uses as much as digits as its factorization.

212221202100211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212221202100211 its reverse (112001202122212), we get a palindrome (324222404222423).

The spelling of 212221202100211 in words is "two hundred twelve trillion, two hundred twenty-one billion, two hundred two million, one hundred thousand, two hundred eleven".