11103001121 has 12 divisors (see below), whose sum is σ = 11819937168. Its totient is φ = 10427380032.

The previous prime is 11103001099. The next prime is 11103001141. The reversal of 11103001121 is 12110030111.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-11103001121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11103001141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93830 + ... + 176096.

It is an arithmetic number, because the mean of its divisors is an integer number (984994764).

Almost surely, 2^11103001121 is an apocalyptic number.

It is an amenable number.

11103001121 is a deficient number, since it is larger than the sum of its proper divisors (716936047).

11103001121 is an equidigital number, since it uses as much as digits as its factorization.

11103001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82768 (or 82751 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11103001121 its reverse (12110030111), we get a palindrome (23213031232).

The spelling of 11103001121 in words is "eleven billion, one hundred three million, one thousand, one hundred twenty-one".