211141221113 has 2 divisors, whose sum is σ = 211141221114. Its totient is φ = 211141221112.

The previous prime is 211141221097. The next prime is 211141221143. The reversal of 211141221113 is 311122141112.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207691655824 + 3449565289 = 455732^2 + 58733^2 .

It is a cyclic number.

It is not a de Polignac number, because 211141221113 - 2⁴ = 211141221097 is a prime.

It is not a weakly prime, because it can be changed into another prime (211141221143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105570610556 + 105570610557.

It is an arithmetic number, because the mean of its divisors is an integer number (105570610557).

Almost surely, 2^211141221113 is an apocalyptic number.

It is an amenable number.

211141221113 is a deficient number, since it is larger than the sum of its proper divisors (1).

211141221113 is an equidigital number, since it uses as much as digits as its factorization.

211141221113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 20.

Adding to 211141221113 its reverse (311122141112), we get a palindrome (522263362225).

The spelling of 211141221113 in words is "two hundred eleven billion, one hundred forty-one million, two hundred twenty-one thousand, one hundred thirteen".