1002200221117 has 2 divisors, whose sum is σ = 1002200221118. Its totient is φ = 1002200221116.

The previous prime is 1002200221109. The next prime is 1002200221123. The reversal of 1002200221117 is 7111220022001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 972627915961 + 29572305156 = 986219^2 + 171966^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002200221117 - 2³ = 1002200221109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002200221094 and 1002200221103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002200221177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501100110558 + 501100110559.

It is an arithmetic number, because the mean of its divisors is an integer number (501100110559).

Almost surely, 2^{1002200221117} is an apocalyptic number.

It is an amenable number.

1002200221117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002200221117 is an equidigital number, since it uses as much as digits as its factorization.

1002200221117 is an evil number, because the sum of its binary digits is even.

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

Adding to 1002200221117 its reverse (7111220022001), we get a palindrome (8113420243118).

The spelling of 1002200221117 in words is "one trillion, two billion, two hundred million, two hundred twenty-one thousand, one hundred seventeen".