213488889565111 has 2 divisors, whose sum is σ = 213488889565112. Its totient is φ = 213488889565110.

The previous prime is 213488889565057. The next prime is 213488889565129. The reversal of 213488889565111 is 111565988884312.

213488889565111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213488889565111 - 2⁷ = 213488889564983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213488889562111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106744444782555 + 106744444782556.

It is an arithmetic number, because the mean of its divisors is an integer number (106744444782556).

Almost surely, 2^{213488889565111} is an apocalyptic number.

213488889565111 is a deficient number, since it is larger than the sum of its proper divisors (1).

213488889565111 is an equidigital number, since it uses as much as digits as its factorization.

213488889565111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132710400, while the sum is 70.

The spelling of 213488889565111 in words is "two hundred thirteen trillion, four hundred eighty-eight billion, eight hundred eighty-nine million, five hundred sixty-five thousand, one hundred eleven".