213213233032111 has 16 divisors (see below), whose sum is σ = 232708446925920. Its totient is φ = 194166736099200.

The previous prime is 213213233032091. The next prime is 213213233032157. The reversal of 213213233032111 is 111230332312312.

It is a cyclic number.

It is not a de Polignac number, because 213213233032111 - 2¹⁹ = 213213232507823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213213233032111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213213233032171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138588040 + ... + 140118061.

It is an arithmetic number, because the mean of its divisors is an integer number (14544277932870).

Almost surely, 2^{213213233032111} is an apocalyptic number.

213213233032111 is a deficient number, since it is larger than the sum of its proper divisors (19495213893809).

213213233032111 is a wasteful number, since it uses less digits than its factorization.

213213233032111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278706906.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 213213233032111 its reverse (111230332312312), we get a palindrome (324443565344423).

The spelling of 213213233032111 in words is "two hundred thirteen trillion, two hundred thirteen billion, two hundred thirty-three million, thirty-two thousand, one hundred eleven".