11021111020211 has 16 divisors (see below), whose sum is σ = 11251509619200. Its totient is φ = 10792323273600.

The previous prime is 11021111020169. The next prime is 11021111020223. The reversal of 11021111020211 is 11202011112011.

It is a cyclic number.

It is not a de Polignac number, because 11021111020211 - 2¹⁴ = 11021111003827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021111023211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342350126 + ... + 342382316.

It is an arithmetic number, because the mean of its divisors is an integer number (703219351200).

Almost surely, 2^{11021111020211} is an apocalyptic number.

11021111020211 is a deficient number, since it is larger than the sum of its proper divisors (230398598989).

11021111020211 is a wasteful number, since it uses less digits than its factorization.

11021111020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56990.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11021111020211 its reverse (11202011112011), we get a palindrome (22223122132222).

The spelling of 11021111020211 in words is "eleven trillion, twenty-one billion, one hundred eleven million, twenty thousand, two hundred eleven".