2200201221173 has 2 divisors, whose sum is σ = 2200201221174. Its totient is φ = 2200201221172.

The previous prime is 2200201221161. The next prime is 2200201221191. The reversal of 2200201221173 is 3711221020022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1901481039364 + 298720181809 = 1378942^2 + 546553^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200201221173 - 2³⁰ = 2199127479349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2200201221773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100100610586 + 1100100610587.

It is an arithmetic number, because the mean of its divisors is an integer number (1100100610587).

Almost surely, 2^{2200201221173} is an apocalyptic number.

It is an amenable number.

2200201221173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200201221173 is an equidigital number, since it uses as much as digits as its factorization.

2200201221173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 2200201221173 its reverse (3711221020022), we get a palindrome (5911422241195).

The spelling of 2200201221173 in words is "two trillion, two hundred billion, two hundred one million, two hundred twenty-one thousand, one hundred seventy-three".