211200211200211 has 16 divisors (see below), whose sum is σ = 215800393705344. Its totient is φ = 206622847535104.

The previous prime is 211200211200191. The next prime is 211200211200221. The reversal of 211200211200211 is 112002112002112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211200211200211 is a prime.

It is a super-2 number, since 2×211200211200211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211200211200221) 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, 835922775 + ... + 836175391.

It is an arithmetic number, because the mean of its divisors is an integer number (13487524606584).

Almost surely, 2^{211200211200211} is an apocalyptic number.

211200211200211 is a deficient number, since it is larger than the sum of its proper divisors (4600182505133).

211200211200211 is a wasteful number, since it uses less digits than its factorization.

211200211200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297710.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211200211200211 its reverse (112002112002112), we get a palindrome (323202323202323).

It can be divided in two parts, 2 and 11200211200211, that multiplied together give a palindrome (22400422400422).

The spelling of 211200211200211 in words is "two hundred eleven trillion, two hundred billion, two hundred eleven million, two hundred thousand, two hundred eleven".