11010121211211 has 16 divisors (see below), whose sum is σ = 14771201934720. Its totient is φ = 7294566611520.

The previous prime is 11010121211153. The next prime is 11010121211213. The reversal of 11010121211211 is 11211212101011.

It is not a de Polignac number, because 11010121211211 - 2¹⁹ = 11010120686923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11010121211213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6723871 + ... + 8199431.

It is an arithmetic number, because the mean of its divisors is an integer number (923200120920).

Almost surely, 2^{11010121211211} is an apocalyptic number.

11010121211211 is a deficient number, since it is larger than the sum of its proper divisors (3761080723509).

11010121211211 is a wasteful number, since it uses less digits than its factorization.

11010121211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490986.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11010121211211 its reverse (11211212101011), we get a palindrome (22221333312222).

The spelling of 11010121211211 in words is "eleven trillion, ten billion, one hundred twenty-one million, two hundred eleven thousand, two hundred eleven".