211011020110211 has 2 divisors, whose sum is σ = 211011020110212. Its totient is φ = 211011020110210.

The previous prime is 211011020110157. The next prime is 211011020110291. The reversal of 211011020110211 is 112011020110112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211011020110211 - 2¹⁸ = 211011019848067 is a prime.

It is not a weakly prime, because it can be changed into another prime (211011020110291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105505510055105 + 105505510055106.

It is an arithmetic number, because the mean of its divisors is an integer number (105505510055106).

Almost surely, 2^{211011020110211} is an apocalyptic number.

211011020110211 is a deficient number, since it is larger than the sum of its proper divisors (1).

211011020110211 is an equidigital number, since it uses as much as digits as its factorization.

211011020110211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 211011020110211 its reverse (112011020110112), we get a palindrome (323022040220323).

Subtracting from 211011020110211 its reverse (112011020110112), we obtain a palindrome (99000000000099).

The spelling of 211011020110211 in words is "two hundred eleven trillion, eleven billion, twenty million, one hundred ten thousand, two hundred eleven".