211320754741 has 2 divisors, whose sum is σ = 211320754742. Its totient is φ = 211320754740.

The previous prime is 211320754669. The next prime is 211320754817. The reversal of 211320754741 is 147457023112.

211320754741 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., 207594140625 + 3726614116 = 455625^2 + 61046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211320754741 is a prime.

It is a super-2 number, since 2×211320754741² (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 211320754741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211320704741) 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, 105660377370 + 105660377371.

It is an arithmetic number, because the mean of its divisors is an integer number (105660377371).

Almost surely, 2^211320754741 is an apocalyptic number.

It is an amenable number.

211320754741 is a deficient number, since it is larger than the sum of its proper divisors (1).

211320754741 is an equidigital number, since it uses as much as digits as its factorization.

211320754741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 211320754741 its reverse (147457023112), we get a palindrome (358777777853).

The spelling of 211320754741 in words is "two hundred eleven billion, three hundred twenty million, seven hundred fifty-four thousand, seven hundred forty-one".