211330122013 has 2 divisors, whose sum is σ = 211330122014. Its totient is φ = 211330122012.

The previous prime is 211330122011. The next prime is 211330122037. The reversal of 211330122013 is 310221033112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190328895289 + 21001226724 = 436267^2 + 144918^2 .

It is a cyclic number.

It is not a de Polignac number, because 211330122013 - 2¹ = 211330122011 is a prime.

Together with 211330122011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211330122011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105665061006 + 105665061007.

It is an arithmetic number, because the mean of its divisors is an integer number (105665061007).

Almost surely, 2^211330122013 is an apocalyptic number.

It is an amenable number.

211330122013 is a deficient number, since it is larger than the sum of its proper divisors (1).

211330122013 is an equidigital number, since it uses as much as digits as its factorization.

211330122013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211330122013 its reverse (310221033112), we get a palindrome (521551155125).

The spelling of 211330122013 in words is "two hundred eleven billion, three hundred thirty million, one hundred twenty-two thousand, thirteen".