213321144211 has 24 divisors (see below), whose sum is σ = 260914984704. Its totient is φ = 173561628240.

The previous prime is 213321144193. The next prime is 213321144233. The reversal of 213321144211 is 112441123312.

It is a de Polignac number, because none of the positive numbers 2^k-213321144211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213321141211) 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, 574815 + ... + 870088.

It is an arithmetic number, because the mean of its divisors is an integer number (10871457696).

Almost surely, 2^213321144211 is an apocalyptic number.

213321144211 is a deficient number, since it is larger than the sum of its proper divisors (47593840493).

213321144211 is a wasteful number, since it uses less digits than its factorization.

213321144211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445071 (or 1445064 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

Adding to 213321144211 its reverse (112441123312), we get a palindrome (325762267523).

The spelling of 213321144211 in words is "two hundred thirteen billion, three hundred twenty-one million, one hundred forty-four thousand, two hundred eleven".