11010120211 has 4 divisors (see below), whose sum is σ = 11010542832. Its totient is φ = 11009697592.

The previous prime is 11010120203. The next prime is 11010120281. The reversal of 11010120211 is 11202101011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11010120211 - 2³ = 11010120203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11010120281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169471 + ... + 225256.

It is an arithmetic number, because the mean of its divisors is an integer number (2752635708).

Almost surely, 2^11010120211 is an apocalyptic number.

11010120211 is a deficient number, since it is larger than the sum of its proper divisors (422621).

11010120211 is an equidigital number, since it uses as much as digits as its factorization.

11010120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422620.

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

Adding to 11010120211 its reverse (11202101011), we get a palindrome (22212221222).

The spelling of 11010120211 in words is "eleven billion, ten million, one hundred twenty thousand, two hundred eleven".