1103120321320 has 64 divisors (see below), whose sum is σ = 2613496132800. Its totient is φ = 417889704960.

The previous prime is 1103120321293. The next prime is 1103120321363. The reversal of 1103120321320 is 231230213011.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2139427 + ... + 2604493.

It is an arithmetic number, because the mean of its divisors is an integer number (40835877075).

Almost surely, 2^{1103120321320} is an apocalyptic number.

1103120321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103120321320 is an abundant number, since it is smaller than the sum of its proper divisors (1510375811480).

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

1103120321320 is a wasteful number, since it uses less digits than its factorization.

1103120321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468218 (or 468214 counting only the distinct ones).

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

Adding to 1103120321320 its reverse (231230213011), we get a palindrome (1334350534331).

The spelling of 1103120321320 in words is "one trillion, one hundred three billion, one hundred twenty million, three hundred twenty-one thousand, three hundred twenty".