210022221001217 has 2 divisors, whose sum is σ = 210022221001218. Its totient is φ = 210022221001216.

The previous prime is 210022221001207. The next prime is 210022221001237. The reversal of 210022221001217 is 712100122220012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190036591461376 + 19985629539841 = 13785376^2 + 4470529^2 .

It is a cyclic number.

It is not a de Polignac number, because 210022221001217 - 2³⁰ = 210021147259393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210022221001192 and 210022221001201.

It is not a weakly prime, because it can be changed into another prime (210022221001207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105011110500608 + 105011110500609.

It is an arithmetic number, because the mean of its divisors is an integer number (105011110500609).

Almost surely, 2^{210022221001217} is an apocalyptic number.

It is an amenable number.

210022221001217 is a deficient number, since it is larger than the sum of its proper divisors (1).

210022221001217 is an equidigital number, since it uses as much as digits as its factorization.

210022221001217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 210022221001217 its reverse (712100122220012), we get a palindrome (922122343221229).

The spelling of 210022221001217 in words is "two hundred ten trillion, twenty-two billion, two hundred twenty-one million, one thousand, two hundred seventeen".