211202201 has 12 divisors (see below), whose sum is σ = 246477348. Its totient is φ = 180446112.

The previous prime is 211202171. The next prime is 211202207. The reversal of 211202201 is 102202112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15202201 + 196000000 = 3899^2 + 14000^2 .

It is not a de Polignac number, because 211202201 - 2⁶ = 211202137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211202207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8735 + ... + 22331.

It is an arithmetic number, because the mean of its divisors is an integer number (20539779).

Almost surely, 2^211202201 is an apocalyptic number.

It is an amenable number.

211202201 is a deficient number, since it is larger than the sum of its proper divisors (35275147).

211202201 is a wasteful number, since it uses less digits than its factorization.

211202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13928 (or 13921 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 211202201 is about 14532.7974251346. The cubic root of 211202201 is about 595.5242898997.

Adding to 211202201 its reverse (102202112), we get a palindrome (313404313).

The spelling of 211202201 in words is "two hundred eleven million, two hundred two thousand, two hundred one".