211202021141 has 2 divisors, whose sum is σ = 211202021142. Its totient is φ = 211202021140.

The previous prime is 211202021137. The next prime is 211202021171. The reversal of 211202021141 is 141120202112.

211202021141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200193604900 + 11008416241 = 447430^2 + 104921^2 .

It is a cyclic number.

It is not a de Polignac number, because 211202021141 - 2² = 211202021137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211202021171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105601010570 + 105601010571.

It is an arithmetic number, because the mean of its divisors is an integer number (105601010571).

Almost surely, 2^211202021141 is an apocalyptic number.

It is an amenable number.

211202021141 is a deficient number, since it is larger than the sum of its proper divisors (1).

211202021141 is an equidigital number, since it uses as much as digits as its factorization.

211202021141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211202021141 its reverse (141120202112), we get a palindrome (352322223253).

The spelling of 211202021141 in words is "two hundred eleven billion, two hundred two million, twenty-one thousand, one hundred forty-one".