10321220201 has 8 divisors (see below), whose sum is σ = 10373531304. Its totient is φ = 10269020160.

The previous prime is 10321220179. The next prime is 10321220213. The reversal of 10321220201 is 10202212301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1537032025 + 8784188176 = 39205^2 + 93724^2 .

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 10321220201 - 2¹⁸ = 10320958057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10321220281) 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, 161825 + ... + 216401.

It is an arithmetic number, because the mean of its divisors is an integer number (1296691413).

Almost surely, 2^10321220201 is an apocalyptic number.

It is an amenable number.

10321220201 is a deficient number, since it is larger than the sum of its proper divisors (52311103).

10321220201 is an equidigital number, since it uses as much as digits as its factorization.

10321220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55531.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10321220201 its reverse (10202212301), we get a palindrome (20523432502).

The spelling of 10321220201 in words is "ten billion, three hundred twenty-one million, two hundred twenty thousand, two hundred one".