11103012 has 36 divisors (see below), whose sum is σ = 28239120. Its totient is φ = 3678192.

The previous prime is 11102981. The next prime is 11103013. The reversal of 11103012 is 21030111.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 11102985 and 11103003.

It is not an unprimeable number, because it can be changed into a prime (11103013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5583 + ... + 7305.

It is an arithmetic number, because the mean of its divisors is an integer number (784420).

Almost surely, 2^11103012 is an apocalyptic number.

11103012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11103012 is an abundant number, since it is smaller than the sum of its proper divisors (17136108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11103012 is a wasteful number, since it uses less digits than its factorization.

11103012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912 (or 1907 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 11103012 is about 3332.1182452008. The cubic root of 11103012 is about 223.0900853967.

Adding to 11103012 its reverse (21030111), we get a palindrome (32133123).

The spelling of 11103012 in words is "eleven million, one hundred three thousand, twelve".