11101020211 has 2 divisors, whose sum is σ = 11101020212. Its totient is φ = 11101020210.

The previous prime is 11101020209. The next prime is 11101020241. The reversal of 11101020211 is 11202010111.

It is a weak prime.

It is an emirp because it is prime and its reverse (11202010111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11101020211 - 2¹ = 11101020209 is a prime.

Together with 11101020209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11101020241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550510105 + 5550510106.

It is an arithmetic number, because the mean of its divisors is an integer number (5550510106).

Almost surely, 2^11101020211 is an apocalyptic number.

11101020211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101020211 is an equidigital number, since it uses as much as digits as its factorization.

11101020211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11101020211 its reverse (11202010111), we get a palindrome (22303030322).

The spelling of 11101020211 in words is "eleven billion, one hundred one million, twenty thousand, two hundred eleven".