211020300210043 has 2 divisors, whose sum is σ = 211020300210044. Its totient is φ = 211020300210042.

The previous prime is 211020300210017. The next prime is 211020300210053. The reversal of 211020300210043 is 340012003020112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211020300210043 - 2⁹ = 211020300209531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211020300210043.

It is not a weakly prime, because it can be changed into another prime (211020300210053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105510150105021 + 105510150105022.

It is an arithmetic number, because the mean of its divisors is an integer number (105510150105022).

Almost surely, 2^{211020300210043} is an apocalyptic number.

211020300210043 is a deficient number, since it is larger than the sum of its proper divisors (1).

211020300210043 is an equidigital number, since it uses as much as digits as its factorization.

211020300210043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 211020300210043 its reverse (340012003020112), we get a palindrome (551032303230155).

The spelling of 211020300210043 in words is "two hundred eleven trillion, twenty billion, three hundred million, two hundred ten thousand, forty-three".