10320220023221 has 8 divisors (see below), whose sum is σ = 10349215695000. Its totient is φ = 10291251066880.

The previous prime is 10320220023209. The next prime is 10320220023353. The reversal of 10320220023221 is 12232002202301.

It is a happy number.

10320220023221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6194568454321 + 4125651568900 = 2488889^2 + 2031170^2 .

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 10320220023221 - 2³⁴ = 10303040154037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10320220023193 and 10320220023202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320220023721) 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, 5905046 + ... + 7450503.

It is an arithmetic number, because the mean of its divisors is an integer number (1293651961875).

Almost surely, 2^{10320220023221} is an apocalyptic number.

It is an amenable number.

10320220023221 is a deficient number, since it is larger than the sum of its proper divisors (28995671779).

10320220023221 is a wasteful number, since it uses less digits than its factorization.

10320220023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13357719.

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

Adding to 10320220023221 its reverse (12232002202301), we get a palindrome (22552222225522).

The spelling of 10320220023221 in words is "ten trillion, three hundred twenty billion, two hundred twenty million, twenty-three thousand, two hundred twenty-one".