10352312221 has 8 divisors (see below), whose sum is σ = 10772609760. Its totient is φ = 9940175952.

The previous prime is 10352312219. The next prime is 10352312237. The reversal of 10352312221 is 12221325301.

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 10352312221 - 2¹ = 10352312219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10352312192 and 10352312201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10352313221) 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, 2037730 + ... + 2042803.

It is an arithmetic number, because the mean of its divisors is an integer number (1346576220).

Almost surely, 2^10352312221 is an apocalyptic number.

It is an amenable number.

10352312221 is a deficient number, since it is larger than the sum of its proper divisors (420297539).

10352312221 is an equidigital number, since it uses as much as digits as its factorization.

10352312221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080635.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 10352312221 its reverse (12221325301), we get a palindrome (22573637522).

The spelling of 10352312221 in words is "ten billion, three hundred fifty-two million, three hundred twelve thousand, two hundred twenty-one".