212201020211 has 4 divisors (see below), whose sum is σ = 219518296800. Its totient is φ = 204883743624.

The previous prime is 212201020147. The next prime is 212201020249. The reversal of 212201020211 is 112020102212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212201020211 - 2⁶ = 212201020147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212201020111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3658638251 + ... + 3658638308.

It is an arithmetic number, because the mean of its divisors is an integer number (54879574200).

Almost surely, 2^212201020211 is an apocalyptic number.

212201020211 is a deficient number, since it is larger than the sum of its proper divisors (7317276589).

212201020211 is an equidigital number, since it uses as much as digits as its factorization.

212201020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7317276588.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212201020211 its reverse (112020102212), we get a palindrome (324221122423).

The spelling of 212201020211 in words is "two hundred twelve billion, two hundred one million, twenty thousand, two hundred eleven".