212021002211 has 2 divisors, whose sum is σ = 212021002212. Its totient is φ = 212021002210.

The previous prime is 212021002187. The next prime is 212021002213. The reversal of 212021002211 is 112200120212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212021002211 is a prime.

Together with 212021002213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212021002213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010501105 + 106010501106.

It is an arithmetic number, because the mean of its divisors is an integer number (106010501106).

Almost surely, 2^212021002211 is an apocalyptic number.

212021002211 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021002211 is an equidigital number, since it uses as much as digits as its factorization.

212021002211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212021002211 its reverse (112200120212), we get a palindrome (324221122423).

The spelling of 212021002211 in words is "two hundred twelve billion, twenty-one million, two thousand, two hundred eleven".