11121110120211 has 16 divisors (see below), whose sum is σ = 18250026864384. Its totient is φ = 5866080063264.

The previous prime is 11121110120189. The next prime is 11121110120261. The reversal of 11121110120211 is 11202101112111.

It is not a de Polignac number, because 11121110120211 - 2⁶ = 11121110120147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11121110120261) 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, 20368333281 + ... + 20368333826.

It is an arithmetic number, because the mean of its divisors is an integer number (1140626679024).

Almost surely, 2^{11121110120211} is an apocalyptic number.

11121110120211 is a deficient number, since it is larger than the sum of its proper divisors (7128916744173).

11121110120211 is a wasteful number, since it uses less digits than its factorization.

11121110120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40736667130.

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

Adding to 11121110120211 its reverse (11202101112111), we get a palindrome (22323211232322).

The spelling of 11121110120211 in words is "eleven trillion, one hundred twenty-one billion, one hundred ten million, one hundred twenty thousand, two hundred eleven".