11121111020211 has 16 divisors (see below), whose sum is σ = 15329915704320. Its totient is φ = 7163922684960.

The previous prime is 11121111020207. The next prime is 11121111020237. The reversal of 11121111020211 is 11202011112111.

It is not a de Polignac number, because 11121111020211 - 2² = 11121111020207 is a prime.

It is a super-2 number, since 2×11121111020211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11121111020911) 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, 91502701 + ... + 91624158.

It is an arithmetic number, because the mean of its divisors is an integer number (958119731520).

Almost surely, 2^{11121111020211} is an apocalyptic number.

11121111020211 is a deficient number, since it is larger than the sum of its proper divisors (4208804684109).

11121111020211 is a wasteful number, since it uses less digits than its factorization.

11121111020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183127546.

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

Adding to 11121111020211 its reverse (11202011112111), we get a palindrome (22323122132322).

The spelling of 11121111020211 in words is "eleven trillion, one hundred twenty-one billion, one hundred eleven million, twenty thousand, two hundred eleven".