2212221221313 has 16 divisors (see below), whose sum is σ = 2982951296640. Its totient is φ = 1458154659456.

The previous prime is 2212221221297. The next prime is 2212221221317. The reversal of 2212221221313 is 3131221222122.

It is not a de Polignac number, because 2212221221313 - 2⁴ = 2212221221297 is a prime.

It is a super-3 number, since 3×2212221221313³ (a number of 38 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2212221221317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4308531 + ... + 4794567.

It is an arithmetic number, because the mean of its divisors is an integer number (186434456040).

Almost surely, 2^{2212221221313} is an apocalyptic number.

It is an amenable number.

2212221221313 is a deficient number, since it is larger than the sum of its proper divisors (770730075327).

2212221221313 is a wasteful number, since it uses less digits than its factorization.

2212221221313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503176.

The product of its digits is 1152, while the sum is 24.

Adding to 2212221221313 its reverse (3131221222122), we get a palindrome (5343442443435).

The spelling of 2212221221313 in words is "two trillion, two hundred twelve billion, two hundred twenty-one million, two hundred twenty-one thousand, three hundred thirteen".