12210002211361 has 2 divisors, whose sum is σ = 12210002211362. Its totient is φ = 12210002211360.

The previous prime is 12210002211269. The next prime is 12210002211373. The reversal of 12210002211361 is 16311220001221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6285329787136 + 5924672424225 = 2507056^2 + 2434065^2 .

It is an emirp because it is prime and its reverse (16311220001221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12210002211361 - 2⁷ = 12210002211233 is a prime.

It is not a weakly prime, because it can be changed into another prime (12210002211661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105001105680 + 6105001105681.

It is an arithmetic number, because the mean of its divisors is an integer number (6105001105681).

Almost surely, 2^{12210002211361} is an apocalyptic number.

It is an amenable number.

12210002211361 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210002211361 is an equidigital number, since it uses as much as digits as its factorization.

12210002211361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12210002211361 its reverse (16311220001221), we get a palindrome (28521222212582).

The spelling of 12210002211361 in words is "twelve trillion, two hundred ten billion, two million, two hundred eleven thousand, three hundred sixty-one".