11020211121 has 32 divisors (see below), whose sum is σ = 15807754368. Its totient is φ = 6803850240.

The previous prime is 11020211107. The next prime is 11020211129. The reversal of 11020211121 is 12111202011.

It is not a de Polignac number, because 11020211121 - 2³⁰ = 9946469297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11020211097 and 11020211106.

It is not an unprimeable number, because it can be changed into a prime (11020211129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5920731 + ... + 5922591.

It is an arithmetic number, because the mean of its divisors is an integer number (493992324).

Almost surely, 2^11020211121 is an apocalyptic number.

It is an amenable number.

11020211121 is a deficient number, since it is larger than the sum of its proper divisors (4787543247).

11020211121 is a wasteful number, since it uses less digits than its factorization.

11020211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11020211121 its reverse (12111202011), we get a palindrome (23131413132).

The spelling of 11020211121 in words is "eleven billion, twenty million, two hundred eleven thousand, one hundred twenty-one".