11020121210211 has 32 divisors (see below), whose sum is σ = 14997876019200. Its totient is φ = 7195065446400.

The previous prime is 11020121210201. The next prime is 11020121210233. The reversal of 11020121210211 is 11201212102011.

It is a happy number.

11020121210211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11020121210211 - 2¹³ = 11020121202019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11020121210201) 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, 489098016 + ... + 489120546.

It is an arithmetic number, because the mean of its divisors is an integer number (468683625600).

Almost surely, 2^{11020121210211} is an apocalyptic number.

11020121210211 is a deficient number, since it is larger than the sum of its proper divisors (3977754808989).

11020121210211 is a wasteful number, since it uses less digits than its factorization.

11020121210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28027.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11020121210211 its reverse (11201212102011), we get a palindrome (22221333312222).

The spelling of 11020121210211 in words is "eleven trillion, twenty billion, one hundred twenty-one million, two hundred ten thousand, two hundred eleven".