211020210211 has 2 divisors, whose sum is σ = 211020210212. Its totient is φ = 211020210210.

The previous prime is 211020210161. The next prime is 211020210221. The reversal of 211020210211 is 112012020112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211020210211 - 2⁷ = 211020210083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211020210191 and 211020210200.

It is not a weakly prime, because it can be changed into another prime (211020210221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105510105105 + 105510105106.

It is an arithmetic number, because the mean of its divisors is an integer number (105510105106).

Almost surely, 2^211020210211 is an apocalyptic number.

211020210211 is a deficient number, since it is larger than the sum of its proper divisors (1).

211020210211 is an equidigital number, since it uses as much as digits as its factorization.

211020210211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211020210211 its reverse (112012020112), we get a palindrome (323032230323).

The spelling of 211020210211 in words is "two hundred eleven billion, twenty million, two hundred ten thousand, two hundred eleven".