213020434111 has 2 divisors, whose sum is σ = 213020434112. Its totient is φ = 213020434110.

The previous prime is 213020434093. The next prime is 213020434169. The reversal of 213020434111 is 111434020312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213020434111 - 2⁵ = 213020434079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213020434411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106510217055 + 106510217056.

It is an arithmetic number, because the mean of its divisors is an integer number (106510217056).

Almost surely, 2^213020434111 is an apocalyptic number.

213020434111 is a deficient number, since it is larger than the sum of its proper divisors (1).

213020434111 is an equidigital number, since it uses as much as digits as its factorization.

213020434111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 213020434111 its reverse (111434020312), we get a palindrome (324454454423).

The spelling of 213020434111 in words is "two hundred thirteen billion, twenty million, four hundred thirty-four thousand, one hundred eleven".