203320311320221 has 8 divisors (see below), whose sum is σ = 207681595672320. Its totient is φ = 198960498646608.

The previous prime is 203320311320177. The next prime is 203320311320239. The reversal of 203320311320221 is 122023113023302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 203320311320221 - 2¹⁵ = 203320311287453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203320318320221) 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, 367640346 + ... + 368192971.

It is an arithmetic number, because the mean of its divisors is an integer number (25960199459040).

Almost surely, 2^{203320311320221} is an apocalyptic number.

It is an amenable number.

203320311320221 is a deficient number, since it is larger than the sum of its proper divisors (4361284352099).

203320311320221 is an equidigital number, since it uses as much as digits as its factorization.

203320311320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735839243.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 203320311320221 its reverse (122023113023302), we get a palindrome (325343424343523).

The spelling of 203320311320221 in words is "two hundred three trillion, three hundred twenty billion, three hundred eleven million, three hundred twenty thousand, two hundred twenty-one".