10120322221 has 8 divisors (see below), whose sum is σ = 10142168760. Its totient is φ = 10098500352.

The previous prime is 10120322213. The next prime is 10120322269. The reversal of 10120322221 is 12222302101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 736525321 + 9383796900 = 27139^2 + 96870^2 .

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 10120322221 - 2³ = 10120322213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120322195 and 10120322204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120322291) 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, 976161 + ... + 986473.

It is an arithmetic number, because the mean of its divisors is an integer number (1267771095).

Almost surely, 2^10120322221 is an apocalyptic number.

It is an amenable number.

10120322221 is a deficient number, since it is larger than the sum of its proper divisors (21846539).

10120322221 is a wasteful number, since it uses less digits than its factorization.

10120322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12335.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10120322221 its reverse (12222302101), we get a palindrome (22342624322).

The spelling of 10120322221 in words is "ten billion, one hundred twenty million, three hundred twenty-two thousand, two hundred twenty-one".