2221010010217 has 2 divisors, whose sum is σ = 2221010010218. Its totient is φ = 2221010010216.

The previous prime is 2221010010173. The next prime is 2221010010227. The reversal of 2221010010217 is 7120100101222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1461630222441 + 759379787776 = 1208979^2 + 871424^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221010010217 - 2²³ = 2221001621609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221010010194 and 2221010010203.

It is not a weakly prime, because it can be changed into another prime (2221010010227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110505005108 + 1110505005109.

It is an arithmetic number, because the mean of its divisors is an integer number (1110505005109).

Almost surely, 2^{2221010010217} is an apocalyptic number.

It is an amenable number.

2221010010217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221010010217 is an equidigital number, since it uses as much as digits as its factorization.

2221010010217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 2221010010217 its reverse (7120100101222), we get a palindrome (9341110111439).

The spelling of 2221010010217 in words is "two trillion, two hundred twenty-one billion, ten million, ten thousand, two hundred seventeen".