1320032022221 has 16 divisors (see below), whose sum is σ = 1475219910528. Its totient is φ = 1170710764800.

The previous prime is 1320032022151. The next prime is 1320032022259. The reversal of 1320032022221 is 1222202300231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1320032022221 - 2¹⁴ = 1320032005837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320032022193 and 1320032022202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320032022121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14412056 + ... + 14503358.

It is an arithmetic number, because the mean of its divisors is an integer number (92201244408).

Almost surely, 2^{1320032022221} is an apocalyptic number.

1320032022221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1320032022221 is a deficient number, since it is larger than the sum of its proper divisors (155187888307).

1320032022221 is a wasteful number, since it uses less digits than its factorization.

1320032022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123412.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1320032022221 its reverse (1222202300231), we get a palindrome (2542234322452).

The spelling of 1320032022221 in words is "one trillion, three hundred twenty billion, thirty-two million, twenty-two thousand, two hundred twenty-one".