2221201312303 has 4 divisors (see below), whose sum is σ = 2221393619008. Its totient is φ = 2221009005600.

The previous prime is 2221201312289. The next prime is 2221201312333. The reversal of 2221201312303 is 3032131021222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221201312303 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 (2221201312333) 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 3 ways as a sum of consecutive naturals, for example, 96136026 + ... + 96159127.

It is an arithmetic number, because the mean of its divisors is an integer number (555348404752).

Almost surely, 2^{2221201312303} is an apocalyptic number.

2221201312303 is a deficient number, since it is larger than the sum of its proper divisors (192306705).

2221201312303 is a wasteful number, since it uses less digits than its factorization.

2221201312303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192306704.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2221201312303 its reverse (3032131021222), we get a palindrome (5253332333525).

The spelling of 2221201312303 in words is "two trillion, two hundred twenty-one billion, two hundred one million, three hundred twelve thousand, three hundred three".