221311314330203 has 64 divisors (see below), whose sum is σ = 249029834296320. Its totient is φ = 195673256755200.

The previous prime is 221311314330191. The next prime is 221311314330287. The reversal of 221311314330203 is 302033413113122.

It is a cyclic number.

It is not a de Polignac number, because 221311314330203 - 2¹² = 221311314326107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221311314360203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8198827475 + ... + 8198854467.

It is an arithmetic number, because the mean of its divisors is an integer number (3891091160880).

Almost surely, 2^{221311314330203} is an apocalyptic number.

221311314330203 is a deficient number, since it is larger than the sum of its proper divisors (27718519966117).

221311314330203 is a wasteful number, since it uses less digits than its factorization.

221311314330203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28968.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 221311314330203 its reverse (302033413113122), we get a palindrome (523344727443325).

The spelling of 221311314330203 in words is "two hundred twenty-one trillion, three hundred eleven billion, three hundred fourteen million, three hundred thirty thousand, two hundred three".