11011120211 has 48 divisors (see below), whose sum is σ = 14427201600. Its totient is φ = 8314048512.

The previous prime is 11011120207. The next prime is 11011120261. The reversal of 11011120211 is 11202111011.

It is not a de Polignac number, because 11011120211 - 2² = 11011120207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11011120192 and 11011120201.

It is not an unprimeable number, because it can be changed into a prime (11011120261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11852195 + ... + 11853123.

It is an arithmetic number, because the mean of its divisors is an integer number (300566700).

Almost surely, 2^11011120211 is an apocalyptic number.

11011120211 is a deficient number, since it is larger than the sum of its proper divisors (3416081389).

11011120211 is a wasteful number, since it uses less digits than its factorization.

11011120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788 (or 1781 counting only the distinct ones).

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

Adding to 11011120211 its reverse (11202111011), we get a palindrome (22213231222).

The spelling of 11011120211 in words is "eleven billion, eleven million, one hundred twenty thousand, two hundred eleven".