11211103303 has 8 divisors (see below), whose sum is σ = 11441120400. Its totient is φ = 10981771008.

The previous prime is 11211103297. The next prime is 11211103361. The reversal of 11211103303 is 30330111211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11211103303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211103103) 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 7 ways as a sum of consecutive naturals, for example, 138058 + ... + 203671.

It is an arithmetic number, because the mean of its divisors is an integer number (1430140050).

Almost surely, 2^11211103303 is an apocalyptic number.

11211103303 is a deficient number, since it is larger than the sum of its proper divisors (230017097).

11211103303 is an equidigital number, since it uses as much as digits as its factorization.

11211103303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342401.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11211103303 its reverse (30330111211), we get a palindrome (41541214514).

The spelling of 11211103303 in words is "eleven billion, two hundred eleven million, one hundred three thousand, three hundred three".