211020010211 has 2 divisors, whose sum is σ = 211020010212. Its totient is φ = 211020010210.

The previous prime is 211020010181. The next prime is 211020010249. The reversal of 211020010211 is 112010020112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211020010211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211020010192 and 211020010201.

It is not a weakly prime, because it can be changed into another prime (211020010111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105510005105 + 105510005106.

It is an arithmetic number, because the mean of its divisors is an integer number (105510005106).

Almost surely, 2^211020010211 is an apocalyptic number.

211020010211 is a deficient number, since it is larger than the sum of its proper divisors (1).

211020010211 is an equidigital number, since it uses as much as digits as its factorization.

211020010211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211020010211 its reverse (112010020112), we get a palindrome (323030030323).

Subtracting from 211020010211 its reverse (112010020112), we obtain a palindrome (99009990099).

The spelling of 211020010211 in words is "two hundred eleven billion, twenty million, ten thousand, two hundred eleven".