213433334111 has 2 divisors, whose sum is σ = 213433334112. Its totient is φ = 213433334110.

The previous prime is 213433334057. The next prime is 213433334129. The reversal of 213433334111 is 111433334312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213433334111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213433334141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106716667055 + 106716667056.

It is an arithmetic number, because the mean of its divisors is an integer number (106716667056).

Almost surely, 2^213433334111 is an apocalyptic number.

213433334111 is a deficient number, since it is larger than the sum of its proper divisors (1).

213433334111 is an equidigital number, since it uses as much as digits as its factorization.

213433334111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 29.

Adding to 213433334111 its reverse (111433334312), we get a palindrome (324866668423).

The spelling of 213433334111 in words is "two hundred thirteen billion, four hundred thirty-three million, three hundred thirty-four thousand, one hundred eleven".