13111220120303 has 8 divisors (see below), whose sum is σ = 13444140864000. Its totient is φ = 12779572497048.

The previous prime is 13111220120233. The next prime is 13111220120309. The reversal of 13111220120303 is 30302102211131.

It is a happy number.

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 13111220120303 - 2²⁸ = 13110951684847 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 (13111220120309) 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, 318259253 + ... + 318300446.

It is an arithmetic number, because the mean of its divisors is an integer number (1680517608000).

Almost surely, 2^{13111220120303} is an apocalyptic number.

13111220120303 is a deficient number, since it is larger than the sum of its proper divisors (332920743697).

13111220120303 is an equidigital number, since it uses as much as digits as its factorization.

13111220120303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636560221.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13111220120303 its reverse (30302102211131), we get a palindrome (43413322331434).

The spelling of 13111220120303 in words is "thirteen trillion, one hundred eleven billion, two hundred twenty million, one hundred twenty thousand, three hundred three".