13110212909 has 2 divisors, whose sum is σ = 13110212910. Its totient is φ = 13110212908.

The previous prime is 13110212897. The next prime is 13110212953. The reversal of 13110212909 is 90921201131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9554476009 + 3555736900 = 97747^2 + 59630^2 .

It is an emirp because it is prime and its reverse (90921201131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13110212909 - 2⁴ = 13110212893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13110212009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555106454 + 6555106455.

It is an arithmetic number, because the mean of its divisors is an integer number (6555106455).

Almost surely, 2^13110212909 is an apocalyptic number.

It is an amenable number.

13110212909 is a deficient number, since it is larger than the sum of its proper divisors (1).

13110212909 is an equidigital number, since it uses as much as digits as its factorization.

13110212909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 13110212909 in words is "thirteen billion, one hundred ten million, two hundred twelve thousand, nine hundred nine".