1103321313220 has 24 divisors (see below), whose sum is σ = 2647971152064. Its totient is φ = 378281593056.

The previous prime is 1103321313137. The next prime is 1103321313221. The reversal of 1103321313220 is 223131233011.

It is a junction number, because it is equal to n+sod(n) for n = 1103321313191 and 1103321313200.

It is not an unprimeable number, because it can be changed into a prime (1103321313221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3940433122 + ... + 3940433401.

It is an arithmetic number, because the mean of its divisors is an integer number (110332131336).

Almost surely, 2^{1103321313220} is an apocalyptic number.

1103321313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103321313220 is an abundant number, since it is smaller than the sum of its proper divisors (1544649838844).

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

1103321313220 is a wasteful number, since it uses less digits than its factorization.

1103321313220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7880866539 (or 7880866537 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1103321313220 its reverse (223131233011), we get a palindrome (1326452546231).

The spelling of 1103321313220 in words is "one trillion, one hundred three billion, three hundred twenty-one million, three hundred thirteen thousand, two hundred twenty".