212011131110211 has 56 divisors (see below), whose sum is σ = 336772014958080. Its totient is φ = 132946587207936.

The previous prime is 212011131110183. The next prime is 212011131110243. The reversal of 212011131110211 is 112011131110212.

212011131110211 is a `hidden beast` number, since 2 + 1 + 20 + 111 + 311 + 10 + 211 = 666.

It is not a de Polignac number, because 212011131110211 - 2¹³ = 212011131102019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212011131110291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 15466045 + ... + 25753073.

Almost surely, 2^{212011131110211} is an apocalyptic number.

212011131110211 is a deficient number, since it is larger than the sum of its proper divisors (124760883847869).

212011131110211 is a wasteful number, since it uses less digits than its factorization.

212011131110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10288727 (or 10288712 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 18.

Adding to 212011131110211 its reverse (112011131110212), we get a palindrome (324022262220423).

Subtracting from 212011131110211 its reverse (112011131110212), we obtain a palindrome (99999999999999).

The spelling of 212011131110211 in words is "two hundred twelve trillion, eleven billion, one hundred thirty-one million, one hundred ten thousand, two hundred eleven".