212001121100211 has 16 divisors (see below), whose sum is σ = 283398803318400. Its totient is φ = 140968893181248.

The previous prime is 212001121100123. The next prime is 212001121100213. The reversal of 212001121100211 is 112001121100212.

It is a happy number.

It is not a de Polignac number, because 212001121100211 - 2²⁶ = 212001053991347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212001121100213) 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, 10309786 + ... + 23028111.

It is an arithmetic number, because the mean of its divisors is an integer number (17712425207400).

Almost surely, 2^{212001121100211} is an apocalyptic number.

212001121100211 is a deficient number, since it is larger than the sum of its proper divisors (71397682218189).

212001121100211 is a wasteful number, since it uses less digits than its factorization.

212001121100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33343378.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212001121100211 its reverse (112001121100212), we get a palindrome (324002242200423).

Subtracting from 212001121100211 its reverse (112001121100212), we obtain a palindrome (99999999999999).

The spelling of 212001121100211 in words is "two hundred twelve trillion, one billion, one hundred twenty-one million, one hundred thousand, two hundred eleven".