1320003111103 has 8 divisors (see below), whose sum is σ = 1338071979888. Its totient is φ = 1301985795264.

The previous prime is 1320003111047. The next prime is 1320003111113. The reversal of 1320003111103 is 3011113000231.

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-1320003111103 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 (1320003111113) 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, 12836676 + ... + 12939097.

It is an arithmetic number, because the mean of its divisors is an integer number (167258997486).

Almost surely, 2^{1320003111103} is an apocalyptic number.

1320003111103 is a deficient number, since it is larger than the sum of its proper divisors (18068868785).

1320003111103 is an equidigital number, since it uses as much as digits as its factorization.

1320003111103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25776473.

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

Adding to 1320003111103 its reverse (3011113000231), we get a palindrome (4331116111334).

The spelling of 1320003111103 in words is "one trillion, three hundred twenty billion, three million, one hundred eleven thousand, one hundred three".