211041121 has 2 divisors, whose sum is σ = 211041122. Its totient is φ = 211041120.

The previous prime is 211041109. The next prime is 211041163. The reversal of 211041121 is 121140112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121000000 + 90041121 = 11000^2 + 9489^2 .

It is a cyclic number.

It is not a de Polignac number, because 211041121 - 2²⁵ = 177486689 is a prime.

It is not a weakly prime, because it can be changed into another prime (211041101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105520560 + 105520561.

It is an arithmetic number, because the mean of its divisors is an integer number (105520561).

Almost surely, 2^211041121 is an apocalyptic number.

It is an amenable number.

211041121 is a deficient number, since it is larger than the sum of its proper divisors (1).

211041121 is an equidigital number, since it uses as much as digits as its factorization.

211041121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 211041121 is about 14527.2544205710. The cubic root of 211041121 is about 595.3728529517.

Adding to 211041121 its reverse (121140112), we get a palindrome (332181233).

The spelling of 211041121 in words is "two hundred eleven million, forty-one thousand, one hundred twenty-one".