1103221312320 has 112 divisors (see below), whose sum is σ = 3544929460800. Its totient is φ = 290647842816.

The previous prime is 1103221312309. The next prime is 1103221312411. The reversal of 1103221312320 is 232131223011.

It is a congruent number.

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, 6843145 + ... + 7002504.

It is an arithmetic number, because the mean of its divisors is an integer number (31651155900).

Almost surely, 2^{1103221312320} is an apocalyptic number.

1103221312320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103221312320 is an abundant number, since it is smaller than the sum of its proper divisors (2441708148480).

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

1103221312320 is a wasteful number, since it uses less digits than its factorization.

1103221312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13845752 (or 13845742 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1103221312320 its reverse (232131223011), we get a palindrome (1335352535331).

The spelling of 1103221312320 in words is "one trillion, one hundred three billion, two hundred twenty-one million, three hundred twelve thousand, three hundred twenty".