211113222413 has 2 divisors, whose sum is σ = 211113222414. Its totient is φ = 211113222412.

The previous prime is 211113222403. The next prime is 211113222469. The reversal of 211113222413 is 314222311112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203295479689 + 7817742724 = 450883^2 + 88418^2 .

It is a cyclic number.

It is not a de Polignac number, because 211113222413 - 2³⁰ = 210039480589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211113222403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105556611206 + 105556611207.

It is an arithmetic number, because the mean of its divisors is an integer number (105556611207).

Almost surely, 2^211113222413 is an apocalyptic number.

It is an amenable number.

211113222413 is a deficient number, since it is larger than the sum of its proper divisors (1).

211113222413 is an equidigital number, since it uses as much as digits as its factorization.

211113222413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 23.

Adding to 211113222413 its reverse (314222311112), we get a palindrome (525335533525).

The spelling of 211113222413 in words is "two hundred eleven billion, one hundred thirteen million, two hundred twenty-two thousand, four hundred thirteen".