11020018211 has 4 divisors (see below), whose sum is σ = 11086006512. Its totient is φ = 10954029912.

The previous prime is 11020018201. The next prime is 11020018213. The reversal of 11020018211 is 11281002011.

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 11020018211 - 2⁶ = 11020018147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11020018211.

It is not an unprimeable number, because it can be changed into a prime (11020018213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32993900 + ... + 32994233.

It is an arithmetic number, because the mean of its divisors is an integer number (2771501628).

Almost surely, 2^11020018211 is an apocalyptic number.

11020018211 is a deficient number, since it is larger than the sum of its proper divisors (65988301).

11020018211 is an equidigital number, since it uses as much as digits as its factorization.

11020018211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65988300.

The product of its (nonzero) digits is 32, while the sum is 17.

The spelling of 11020018211 in words is "eleven billion, twenty million, eighteen thousand, two hundred eleven".