22002212221201 has 2 divisors, whose sum is σ = 22002212221202. Its totient is φ = 22002212221200.

The previous prime is 22002212221181. The next prime is 22002212221289. The reversal of 22002212221201 is 10212221220022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21902624640576 + 99587580625 = 4680024^2 + 315575^2 .

It is a cyclic number.

It is not a de Polignac number, because 22002212221201 - 2²⁷ = 22002078003473 is a prime.

It is not a weakly prime, because it can be changed into another prime (22002212222201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001106110600 + 11001106110601.

It is an arithmetic number, because the mean of its divisors is an integer number (11001106110601).

Almost surely, 2^{22002212221201} is an apocalyptic number.

It is an amenable number.

22002212221201 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002212221201 is an equidigital number, since it uses as much as digits as its factorization.

22002212221201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22002212221201 its reverse (10212221220022), we get a palindrome (32214433441223).

The spelling of 22002212221201 in words is "twenty-two trillion, two billion, two hundred twelve million, two hundred twenty-one thousand, two hundred one".