212011222112211 has 16 divisors (see below), whose sum is σ = 289576755689760. Its totient is φ = 137893262407680.

The previous prime is 212011222112189. The next prime is 212011222112219. The reversal of 212011222112211 is 112211222110212.

212011222112211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212011222112211 - 2¹⁸ = 212011221850067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212011222112219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128159995 + ... + 129803723.

It is an arithmetic number, because the mean of its divisors is an integer number (18098547230610).

Almost surely, 2^{212011222112211} is an apocalyptic number.

212011222112211 is a deficient number, since it is larger than the sum of its proper divisors (77565533577549).

212011222112211 is a wasteful number, since it uses less digits than its factorization.

212011222112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692406.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 212011222112211 its reverse (112211222110212), we get a palindrome (324222444222423).

The spelling of 212011222112211 in words is "two hundred twelve trillion, eleven billion, two hundred twenty-two million, one hundred twelve thousand, two hundred eleven".