211002212212201 has 2 divisors, whose sum is σ = 211002212212202. Its totient is φ = 211002212212200.

The previous prime is 211002212212189. The next prime is 211002212212243. The reversal of 211002212212201 is 102212212200112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166394520360000 + 44607691852201 = 12899400^2 + 6678899^2 .

It is a cyclic number.

It is not a de Polignac number, because 211002212212201 - 2⁹ = 211002212211689 is a prime.

It is not a weakly prime, because it can be changed into another prime (211002212212271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105501106106100 + 105501106106101.

It is an arithmetic number, because the mean of its divisors is an integer number (105501106106101).

Almost surely, 2^{211002212212201} is an apocalyptic number.

It is an amenable number.

211002212212201 is a deficient number, since it is larger than the sum of its proper divisors (1).

211002212212201 is an equidigital number, since it uses as much as digits as its factorization.

211002212212201 is an odious number, because the sum of its binary digits is odd.

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

Adding to 211002212212201 its reverse (102212212200112), we get a palindrome (313214424412313).

The spelling of 211002212212201 in words is "two hundred eleven trillion, two billion, two hundred twelve million, two hundred twelve thousand, two hundred one".