13340820211 has 2 divisors, whose sum is σ = 13340820212. Its totient is φ = 13340820210.

The previous prime is 13340820197. The next prime is 13340820221. The reversal of 13340820211 is 11202804331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13340820211 - 2⁵ = 13340820179 is a prime.

It is not a weakly prime, because it can be changed into another prime (13340820221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6670410105 + 6670410106.

It is an arithmetic number, because the mean of its divisors is an integer number (6670410106).

Almost surely, 2^13340820211 is an apocalyptic number.

13340820211 is a deficient number, since it is larger than the sum of its proper divisors (1).

13340820211 is an equidigital number, since it uses as much as digits as its factorization.

13340820211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 13340820211 in words is "thirteen billion, three hundred forty million, eight hundred twenty thousand, two hundred eleven".