2001201211 has 2 divisors, whose sum is σ = 2001201212. Its totient is φ = 2001201210.

The previous prime is 2001201199. The next prime is 2001201217. The reversal of 2001201211 is 1121021002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001201211 - 2¹¹ = 2001199163 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001201217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000600605 + 1000600606.

It is an arithmetic number, because the mean of its divisors is an integer number (1000600606).

Almost surely, 2^2001201211 is an apocalyptic number.

2001201211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001201211 is an equidigital number, since it uses as much as digits as its factorization.

2001201211 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 10.

The square root of 2001201211 is about 44734.7874813327. The cubic root of 2001201211 is about 1260.1732379171.

Adding to 2001201211 its reverse (1121021002), we get a palindrome (3122222213).

The spelling of 2001201211 in words is "two billion, one million, two hundred one thousand, two hundred eleven".