201002202221173 has 2 divisors, whose sum is σ = 201002202221174. Its totient is φ = 201002202221172.

The previous prime is 201002202221129. The next prime is 201002202221189. The reversal of 201002202221173 is 371122202200102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115698376917124 + 85303825304049 = 10756318^2 + 9236007^2 .

It is a cyclic number.

It is not a de Polignac number, because 201002202221173 - 2¹⁷ = 201002202090101 is a prime.

It is a super-2 number, since 2×201002202221173² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201002202225173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100501101110586 + 100501101110587.

It is an arithmetic number, because the mean of its divisors is an integer number (100501101110587).

Almost surely, 2^{201002202221173} is an apocalyptic number.

It is an amenable number.

201002202221173 is a deficient number, since it is larger than the sum of its proper divisors (1).

201002202221173 is an equidigital number, since it uses as much as digits as its factorization.

201002202221173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 201002202221173 its reverse (371122202200102), we get a palindrome (572124404421275).

The spelling of 201002202221173 in words is "two hundred one trillion, two billion, two hundred two million, two hundred twenty-one thousand, one hundred seventy-three".