2212221320117 has 2 divisors, whose sum is σ = 2212221320118. Its totient is φ = 2212221320116.

The previous prime is 2212221320093. The next prime is 2212221320131. The reversal of 2212221320117 is 7110231222122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1755415656241 + 456805663876 = 1324921^2 + 675874^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212221320117 - 2¹² = 2212221316021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212221320137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106110660058 + 1106110660059.

It is an arithmetic number, because the mean of its divisors is an integer number (1106110660059).

Almost surely, 2^{2212221320117} is an apocalyptic number.

It is an amenable number.

2212221320117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212221320117 is an equidigital number, since it uses as much as digits as its factorization.

2212221320117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 2212221320117 its reverse (7110231222122), we get a palindrome (9322452542239).

The spelling of 2212221320117 in words is "two trillion, two hundred twelve billion, two hundred twenty-one million, three hundred twenty thousand, one hundred seventeen".