2221323213013 has 4 divisors (see below), whose sum is σ = 2317902483168. Its totient is φ = 2124743942860.

The previous prime is 2221323212993. The next prime is 2221323213071. The reversal of 2221323213013 is 3103123231222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2221323213013 - 2⁹ = 2221323212501 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 (2221323213113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48289635043 + ... + 48289635088.

It is an arithmetic number, because the mean of its divisors is an integer number (579475620792).

Almost surely, 2^{2221323213013} is an apocalyptic number.

2221323213013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2221323213013 is a deficient number, since it is larger than the sum of its proper divisors (96579270155).

2221323213013 is an equidigital number, since it uses as much as digits as its factorization.

2221323213013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96579270154.

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

Adding to 2221323213013 its reverse (3103123231222), we get a palindrome (5324446444235).

The spelling of 2221323213013 in words is "two trillion, two hundred twenty-one billion, three hundred twenty-three million, two hundred thirteen thousand, thirteen".