22210202000221 has 2 divisors, whose sum is σ = 22210202000222. Its totient is φ = 22210202000220.

The previous prime is 22210202000179. The next prime is 22210202000257. The reversal of 22210202000221 is 12200020201222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12337164504900 + 9873037495321 = 3512430^2 + 3142139^2 .

It is a cyclic number.

It is not a de Polignac number, because 22210202000221 - 2²¹ = 22210199903069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22210202000195 and 22210202000204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22210202000291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105101000110 + 11105101000111.

It is an arithmetic number, because the mean of its divisors is an integer number (11105101000111).

Almost surely, 2^{22210202000221} is an apocalyptic number.

It is an amenable number.

22210202000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

22210202000221 is an equidigital number, since it uses as much as digits as its factorization.

22210202000221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22210202000221 its reverse (12200020201222), we get a palindrome (34410222201443).

The spelling of 22210202000221 in words is "twenty-two trillion, two hundred ten billion, two hundred two million, two hundred twenty-one", and thus it is an aban number.