11223121303 has 8 divisors (see below), whose sum is σ = 11486070288. Its totient is φ = 10960260864.

The previous prime is 11223121289. The next prime is 11223121309. The reversal of 11223121303 is 30312132211.

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

It is a cyclic number.

It is not a de Polignac number, because 11223121303 - 2⁵ = 11223121271 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 (11223121309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282951 + ... + 320167.

It is an arithmetic number, because the mean of its divisors is an integer number (1435758786).

Almost surely, 2^11223121303 is an apocalyptic number.

11223121303 is a deficient number, since it is larger than the sum of its proper divisors (262948985).

11223121303 is an equidigital number, since it uses as much as digits as its factorization.

11223121303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44273.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11223121303 its reverse (30312132211), we get a palindrome (41535253514).

The spelling of 11223121303 in words is "eleven billion, two hundred twenty-three million, one hundred twenty-one thousand, three hundred three".