213111013289 has 2 divisors, whose sum is σ = 213111013290. Its totient is φ = 213111013288.

The previous prime is 213111013279. The next prime is 213111013319. The reversal of 213111013289 is 982310111312.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198292090000 + 14818923289 = 445300^2 + 121733^2 .

It is a cyclic number.

It is not a de Polignac number, because 213111013289 - 2²⁸ = 212842577833 is a prime.

It is not a weakly prime, because it can be changed into another prime (213111013279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106555506644 + 106555506645.

It is an arithmetic number, because the mean of its divisors is an integer number (106555506645).

Almost surely, 2^213111013289 is an apocalyptic number.

It is an amenable number.

213111013289 is a deficient number, since it is larger than the sum of its proper divisors (1).

213111013289 is an equidigital number, since it uses as much as digits as its factorization.

213111013289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 213111013289 in words is "two hundred thirteen billion, one hundred eleven million, thirteen thousand, two hundred eighty-nine".