212211200323211 has 4 divisors (see below), whose sum is σ = 212503100186832. Its totient is φ = 211919300459592.

The previous prime is 212211200323181. The next prime is 212211200323217. The reversal of 212211200323211 is 112323002112212.

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 212211200323211 - 2⁶ = 212211200323147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212211200323217) 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, 145949930720 + ... + 145949932173.

It is an arithmetic number, because the mean of its divisors is an integer number (53125775046708).

Almost surely, 2^{212211200323211} is an apocalyptic number.

212211200323211 is a deficient number, since it is larger than the sum of its proper divisors (291899863621).

212211200323211 is an equidigital number, since it uses as much as digits as its factorization.

212211200323211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291899863620.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 212211200323211 its reverse (112323002112212), we get a palindrome (324534202435423).

The spelling of 212211200323211 in words is "two hundred twelve trillion, two hundred eleven billion, two hundred million, three hundred twenty-three thousand, two hundred eleven".