200002201121 has 2 divisors, whose sum is σ = 200002201122. Its totient is φ = 200002201120.

The previous prime is 200002201081. The next prime is 200002201151. The reversal of 200002201121 is 121102200002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176453764096 + 23548437025 = 420064^2 + 153455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200002201121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (200002201151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100001100560 + 100001100561.

It is an arithmetic number, because the mean of its divisors is an integer number (100001100561).

Almost surely, 2^200002201121 is an apocalyptic number.

It is an amenable number.

200002201121 is a deficient number, since it is larger than the sum of its proper divisors (1).

200002201121 is an equidigital number, since it uses as much as digits as its factorization.

200002201121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200002201121 its reverse (121102200002), we get a palindrome (321104401123).

The spelling of 200002201121 in words is "two hundred billion, two million, two hundred one thousand, one hundred twenty-one".