213266116127 has 4 divisors (see below), whose sum is σ = 213278001336. Its totient is φ = 213254230920.

The previous prime is 213266116109. The next prime is 213266116153. The reversal of 213266116127 is 721611662312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213266116127 - 2⁸ = 213266115871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213266116627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5915648 + ... + 5951589.

It is an arithmetic number, because the mean of its divisors is an integer number (53319500334).

Almost surely, 2^213266116127 is an apocalyptic number.

213266116127 is a deficient number, since it is larger than the sum of its proper divisors (11885209).

213266116127 is a wasteful number, since it uses less digits than its factorization.

213266116127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11885208.

The product of its digits is 36288, while the sum is 38.

Adding to 213266116127 its reverse (721611662312), we get a palindrome (934877778439).

The spelling of 213266116127 in words is "two hundred thirteen billion, two hundred sixty-six million, one hundred sixteen thousand, one hundred twenty-seven".