1002201022217 has 2 divisors, whose sum is σ = 1002201022218. Its totient is φ = 1002201022216.

The previous prime is 1002201022183. The next prime is 1002201022243. The reversal of 1002201022217 is 7122201022001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 983579963536 + 18621058681 = 991756^2 + 136459^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002201022217 - 2²⁰ = 1002199973641 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002201022267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501100511108 + 501100511109.

It is an arithmetic number, because the mean of its divisors is an integer number (501100511109).

Almost surely, 2^{1002201022217} is an apocalyptic number.

It is an amenable number.

1002201022217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002201022217 is an equidigital number, since it uses as much as digits as its factorization.

1002201022217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 1002201022217 its reverse (7122201022001), we get a palindrome (8124402044218).

The spelling of 1002201022217 in words is "one trillion, two billion, two hundred one million, twenty-two thousand, two hundred seventeen".