11010211121 has 16 divisors (see below), whose sum is σ = 13554342144. Its totient is φ = 8709246144.

The previous prime is 11010211097. The next prime is 11010211123. The reversal of 11010211121 is 12111201011.

It is a cyclic number.

It is not a de Polignac number, because 11010211121 - 2³⁰ = 9936469297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11010211123) 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, 433835 + ... + 458511.

It is an arithmetic number, because the mean of its divisors is an integer number (847146384).

Almost surely, 2^11010211121 is an apocalyptic number.

It is an amenable number.

11010211121 is a deficient number, since it is larger than the sum of its proper divisors (2544131023).

11010211121 is a wasteful number, since it uses less digits than its factorization.

11010211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29600.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11010211121 its reverse (12111201011), we get a palindrome (23121412132).

The spelling of 11010211121 in words is "eleven billion, ten million, two hundred eleven thousand, one hundred twenty-one".