1320221113024 has 56 divisors (see below), whose sum is σ = 3026095078608. Its totient is φ = 564800471040.

The previous prime is 1320221112997. The next prime is 1320221113037. The reversal of 1320221113024 is 4203111220231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1320221112986 and 1320221113004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55144329 + ... + 55168264.

It is an arithmetic number, because the mean of its divisors is an integer number (54037412118).

Almost surely, 2^{1320221113024} is an apocalyptic number.

It is an amenable number.

1320221113024 is an abundant number, since it is smaller than the sum of its proper divisors (1705873965584).

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

1320221113024 is a wasteful number, since it uses less digits than its factorization.

1320221113024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110312633 (or 110312623 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1320221113024 its reverse (4203111220231), we get a palindrome (5523332333255).

The spelling of 1320221113024 in words is "one trillion, three hundred twenty billion, two hundred twenty-one million, one hundred thirteen thousand, twenty-four".