213221032211 has 24 divisors (see below), whose sum is σ = 236615299200. Its totient is φ = 191985221120.

The previous prime is 213221032151. The next prime is 213221032261. The reversal of 213221032211 is 112230122312.

It is not a de Polignac number, because 213221032211 - 2³⁴ = 196041163027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213221032261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6347486 + ... + 6380988.

It is an arithmetic number, because the mean of its divisors is an integer number (9858970800).

Almost surely, 2^213221032211 is an apocalyptic number.

213221032211 is a deficient number, since it is larger than the sum of its proper divisors (23394266989).

213221032211 is a wasteful number, since it uses less digits than its factorization.

213221032211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34027 (or 34016 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 213221032211 its reverse (112230122312), we get a palindrome (325451154523).

The spelling of 213221032211 in words is "two hundred thirteen billion, two hundred twenty-one million, thirty-two thousand, two hundred eleven".