11211000111 has 12 divisors (see below), whose sum is σ = 16631333992.
Its totient is φ = 7271999856.
The previous prime is 11211000091. The next prime is 11211000113. The reversal of 11211000111 is 11100011211.
11211000111 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 11211000111 - 227 = 11076782383 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 11211000093 and 11211000102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11211000113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16833001 + ... + 16833666.
Almost surely, 211211000111 is an apocalyptic number.
11211000111 is a deficient number, since it is larger than the sum of its proper divisors (5420333881).
11211000111 is a wasteful number, since it uses less digits than its factorization.
11211000111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33666710 (or 33666707 counting only the distinct ones).
The product of its (nonzero) digits is 2, while the sum is 9.
Adding to 11211000111 its reverse (11100011211), we get a palindrome (22311011322).
The spelling of 11211000111 in words is "eleven billion, two hundred eleven million, one hundred eleven", and thus it is an aban number.