211202002202201 has 16 divisors (see below), whose sum is σ = 212519128632720. Its totient is φ = 209888916111360.

The previous prime is 211202002202173. The next prime is 211202002202209. The reversal of 211202002202201 is 102202200202112.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 22344046848601 + 188857955353600 = 4726949^2 + 13742560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211202002202201 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 211202002202201.

It is not an unprimeable number, because it can be changed into a prime (211202002202209) 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 in 15 ways as a sum of consecutive naturals, for example, 3956771225 + ... + 3956824601.

It is an arithmetic number, because the mean of its divisors is an integer number (13282445539545).

Almost surely, 2^{211202002202201} is an apocalyptic number.

It is an amenable number.

211202002202201 is a deficient number, since it is larger than the sum of its proper divisors (1317126430519).

211202002202201 is a wasteful number, since it uses less digits than its factorization.

211202002202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90764.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 211202002202201 its reverse (102202200202112), we get a palindrome (313404202404313).

The spelling of 211202002202201 in words is "two hundred eleven trillion, two hundred two billion, two million, two hundred two thousand, two hundred one".