201210001211 has 2 divisors, whose sum is σ = 201210001212. Its totient is φ = 201210001210.

The previous prime is 201210001199. The next prime is 201210001241. The reversal of 201210001211 is 112100012102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201210001211 - 2⁶ = 201210001147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201210001192 and 201210001201.

It is not a weakly prime, because it can be changed into another prime (201210001241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100605000605 + 100605000606.

It is an arithmetic number, because the mean of its divisors is an integer number (100605000606).

Almost surely, 2^201210001211 is an apocalyptic number.

201210001211 is a deficient number, since it is larger than the sum of its proper divisors (1).

201210001211 is an equidigital number, since it uses as much as digits as its factorization.

201210001211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201210001211 its reverse (112100012102), we get a palindrome (313310013313).

The spelling of 201210001211 in words is "two hundred one billion, two hundred ten million, one thousand, two hundred eleven".