2221301322213 has 4 divisors (see below), whose sum is σ = 2961735096288. Its totient is φ = 1480867548140.

The previous prime is 2221301322197. The next prime is 2221301322221. The reversal of 2221301322213 is 3122231031222.

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 2221301322213 - 2⁴ = 2221301322197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221301322223) 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, 370216887033 + ... + 370216887038.

It is an arithmetic number, because the mean of its divisors is an integer number (740433774072).

Almost surely, 2^{2221301322213} is an apocalyptic number.

It is an amenable number.

2221301322213 is a deficient number, since it is larger than the sum of its proper divisors (740433774075).

2221301322213 is an equidigital number, since it uses as much as digits as its factorization.

2221301322213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740433774074.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2221301322213 its reverse (3122231031222), we get a palindrome (5343532353435).

The spelling of 2221301322213 in words is "two trillion, two hundred twenty-one billion, three hundred one million, three hundred twenty-two thousand, two hundred thirteen".