212101011201211 has 16 divisors (see below), whose sum is σ = 231647898585600. Its totient is φ = 192598398252000.

The previous prime is 212101011201187. The next prime is 212101011201223. The reversal of 212101011201211 is 112102110101212.

It is a cyclic number.

It is not a de Polignac number, because 212101011201211 - 2¹⁷ = 212101011070139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212101011241211) 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 15 ways as a sum of consecutive naturals, for example, 35266030 + ... + 40839868.

It is an arithmetic number, because the mean of its divisors is an integer number (14477993661600).

Almost surely, 2^{212101011201211} is an apocalyptic number.

212101011201211 is a deficient number, since it is larger than the sum of its proper divisors (19546887384389).

212101011201211 is a wasteful number, since it uses less digits than its factorization.

212101011201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5577810.

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

Adding to 212101011201211 its reverse (112102110101212), we get a palindrome (324203121302423).

The spelling of 212101011201211 in words is "two hundred twelve trillion, one hundred one billion, eleven million, two hundred one thousand, two hundred eleven".