212011112201211 has 24 divisors (see below), whose sum is σ = 307826919238176. Its totient is φ = 140607529344000.

The previous prime is 212011112201197. The next prime is 212011112201221. The reversal of 212011112201211 is 112102211110212.

It is a happy number.

212011112201211 is a `hidden beast` number, since 2 + 120 + 1 + 111 + 220 + 1 + 211 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-212011112201211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212011112201221) 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 23 ways as a sum of consecutive naturals, for example, 398811861 + ... + 399343113.

It is an arithmetic number, because the mean of its divisors is an integer number (12826121634924).

Almost surely, 2^{212011112201211} is an apocalyptic number.

212011112201211 is a deficient number, since it is larger than the sum of its proper divisors (95815807036965).

212011112201211 is a wasteful number, since it uses less digits than its factorization.

212011112201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761203 (or 761200 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 212011112201211 its reverse (112102211110212), we get a palindrome (324113323311423).

The spelling of 212011112201211 in words is "two hundred twelve trillion, eleven billion, one hundred twelve million, two hundred one thousand, two hundred eleven".