213220323201 has 16 divisors (see below), whose sum is σ = 301202971200. Its totient is φ = 133702614528.

The previous prime is 213220323131. The next prime is 213220323203. The reversal of 213220323201 is 102323022312.

It is a happy number.

It is not a de Polignac number, because 213220323201 - 2¹⁰ = 213220322177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213220323203) 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, 1208596 + ... + 1373733.

It is an arithmetic number, because the mean of its divisors is an integer number (18825185700).

Almost surely, 2^213220323201 is an apocalyptic number.

It is an amenable number.

213220323201 is a deficient number, since it is larger than the sum of its proper divisors (87982647999).

213220323201 is a wasteful number, since it uses less digits than its factorization.

213220323201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583968.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 213220323201 its reverse (102323022312), we get a palindrome (315543345513).

The spelling of 213220323201 in words is "two hundred thirteen billion, two hundred twenty million, three hundred twenty-three thousand, two hundred one".