1103323120321 has 8 divisors (see below), whose sum is σ = 1112084223264. Its totient is φ = 1094572273440.

The previous prime is 1103323120303. The next prime is 1103323120379. The reversal of 1103323120321 is 1230213233011.

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 1103323120321 - 2³⁹ = 553567306433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103323120292 and 1103323120301.

It is not an unprimeable number, because it can be changed into a prime (1103323120381) 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, 2347935 + ... + 2778388.

It is an arithmetic number, because the mean of its divisors is an integer number (139010527908).

Almost surely, 2^{1103323120321} is an apocalyptic number.

It is an amenable number.

1103323120321 is a deficient number, since it is larger than the sum of its proper divisors (8761102943).

1103323120321 is a wasteful number, since it uses less digits than its factorization.

1103323120321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128031.

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

Adding to 1103323120321 its reverse (1230213233011), we get a palindrome (2333536353332).

The spelling of 1103323120321 in words is "one trillion, one hundred three billion, three hundred twenty-three million, one hundred twenty thousand, three hundred twenty-one".