201002011211209 has 8 divisors (see below), whose sum is σ = 216617333715720. Its totient is φ = 185408635754496.

The previous prime is 201002011211203. The next prime is 201002011211233. The reversal of 201002011211209 is 902112110200102.

It can be written as a sum of positive squares in 4 ways, for example, as 432063009225 + 200569948201984 = 657315^2 + 14162272^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201002011211209 - 2⁷ = 201002011211081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201002011211209.

It is not an unprimeable number, because it can be changed into a prime (201002011211203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5486742922 + ... + 5486779555.

It is an arithmetic number, because the mean of its divisors is an integer number (27077166714465).

Almost surely, 2^{201002011211209} is an apocalyptic number.

It is an amenable number.

201002011211209 is a deficient number, since it is larger than the sum of its proper divisors (15615322504511).

201002011211209 is a wasteful number, since it uses less digits than its factorization.

201002011211209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10973523899.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 201002011211209 in words is "two hundred one trillion, two billion, eleven million, two hundred eleven thousand, two hundred nine".