11120110221 has 64 divisors (see below), whose sum is σ = 17404231680. Its totient is φ = 6244439040.

The previous prime is 11120110187. The next prime is 11120110237. The reversal of 11120110221 is 12201102111.

It is not a de Polignac number, because 11120110221 - 2⁹ = 11120109709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11120110197 and 11120110206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120110021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5811961 + ... + 5813873.

It is an arithmetic number, because the mean of its divisors is an integer number (271941120).

Almost surely, 2^11120110221 is an apocalyptic number.

11120110221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11120110221 is a deficient number, since it is larger than the sum of its proper divisors (6284121459).

11120110221 is a wasteful number, since it uses less digits than its factorization.

11120110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11120110221 its reverse (12201102111), we get a palindrome (23321212332).

The spelling of 11120110221 in words is "eleven billion, one hundred twenty million, one hundred ten thousand, two hundred twenty-one".