211141213427 has 2 divisors, whose sum is σ = 211141213428. Its totient is φ = 211141213426.

The previous prime is 211141213357. The next prime is 211141213453. The reversal of 211141213427 is 724312141112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211141213427 is a prime.

It is a super-2 number, since 2×211141213427² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211141213427.

It is not a weakly prime, because it can be changed into another prime (211191213427) 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, 105570606713 + 105570606714.

It is an arithmetic number, because the mean of its divisors is an integer number (105570606714).

Almost surely, 2^211141213427 is an apocalyptic number.

211141213427 is a deficient number, since it is larger than the sum of its proper divisors (1).

211141213427 is an equidigital number, since it uses as much as digits as its factorization.

211141213427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 29.

Adding to 211141213427 its reverse (724312141112), we get a palindrome (935453354539).

The spelling of 211141213427 in words is "two hundred eleven billion, one hundred forty-one million, two hundred thirteen thousand, four hundred twenty-seven".