200202002211973 has 2 divisors, whose sum is σ = 200202002211974. Its totient is φ = 200202002211972.

The previous prime is 200202002211971. The next prime is 200202002212007. The reversal of 200202002211973 is 379112200202002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189048392763169 + 11153609448804 = 13749487^2 + 3339702^2 .

It is a cyclic number.

It is not a de Polignac number, because 200202002211973 - 2¹ = 200202002211971 is a prime.

Together with 200202002211971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200202002211971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100101001105986 + 100101001105987.

It is an arithmetic number, because the mean of its divisors is an integer number (100101001105987).

Almost surely, 2^{200202002211973} is an apocalyptic number.

It is an amenable number.

200202002211973 is a deficient number, since it is larger than the sum of its proper divisors (1).

200202002211973 is an equidigital number, since it uses as much as digits as its factorization.

200202002211973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 200202002211973 its reverse (379112200202002), we get a palindrome (579314202413975).

The spelling of 200202002211973 in words is "two hundred trillion, two hundred two billion, two million, two hundred eleven thousand, nine hundred seventy-three".