213331332111 has 64 divisors (see below), whose sum is σ = 300283822080. Its totient is φ = 134601667200.

The previous prime is 213331332103. The next prime is 213331332127. The reversal of 213331332111 is 111233133312.

213331332111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213331332111 - 2³ = 213331332103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213331332161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 147022936 + ... + 147024386.

It is an arithmetic number, because the mean of its divisors is an integer number (4691934720).

Almost surely, 2^213331332111 is an apocalyptic number.

213331332111 is a deficient number, since it is larger than the sum of its proper divisors (86952489969).

213331332111 is a wasteful number, since it uses less digits than its factorization.

213331332111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844.

The product of its digits is 972, while the sum is 24.

Adding to 213331332111 its reverse (111233133312), we get a palindrome (324564465423).

The spelling of 213331332111 in words is "two hundred thirteen billion, three hundred thirty-one million, three hundred thirty-two thousand, one hundred eleven".