13211000121211 has 2 divisors, whose sum is σ = 13211000121212. Its totient is φ = 13211000121210.

The previous prime is 13211000121199. The next prime is 13211000121233. The reversal of 13211000121211 is 11212100011231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13211000121211 is a prime.

It is not a weakly prime, because it can be changed into another prime (13211000121611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6605500060605 + 6605500060606.

It is an arithmetic number, because the mean of its divisors is an integer number (6605500060606).

Almost surely, 2^{13211000121211} is an apocalyptic number.

13211000121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

13211000121211 is an equidigital number, since it uses as much as digits as its factorization.

13211000121211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 13211000121211 its reverse (11212100011231), we get a palindrome (24423100132442).

The spelling of 13211000121211 in words is "thirteen trillion, two hundred eleven billion, one hundred twenty-one thousand, two hundred eleven".