11120211 has 12 divisors (see below), whose sum is σ = 16149120.
Its totient is φ = 7373520.
The previous prime is 11120209. The next prime is 11120243. The reversal of 11120211 is 11202111.
It is a happy number.
It is not a de Polignac number, because 11120211 - 21 = 11120209 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 11120193 and 11120202.
It is not an unprimeable number, because it can be changed into a prime (11120251) 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 11 ways as a sum of consecutive naturals, for example, 1516 + ... + 4953.
It is an arithmetic number, because the mean of its divisors is an integer number (1345760).
Almost surely, 211120211 is an apocalyptic number.
11120211 is a deficient number, since it is larger than the sum of its proper divisors (5028909).
11120211 is a wasteful number, since it uses less digits than its factorization.
11120211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6666 (or 6663 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 9.
The square root of 11120211 is about 3334.6980373041.
The cubic root of 11120211 is about 223.2052177259.
Adding to 11120211 its reverse (11202111), we get a palindrome (22322322).
The spelling of 11120211 in words is "eleven million, one hundred twenty thousand, two hundred eleven".