200200121020129 has 2 divisors, whose sum is σ = 200200121020130. Its totient is φ = 200200121020128.

The previous prime is 200200121020103. The next prime is 200200121020337. The reversal of 200200121020129 is 921020121002002.

200200121020129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161515452930129 + 38684668090000 = 12708873^2 + 6219700^2 .

It is a cyclic number.

It is not a de Polignac number, because 200200121020129 - 2¹⁷ = 200200120889057 is a prime.

It is not a weakly prime, because it can be changed into another prime (200200121020729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100100060510064 + 100100060510065.

It is an arithmetic number, because the mean of its divisors is an integer number (100100060510065).

Almost surely, 2^{200200121020129} is an apocalyptic number.

It is an amenable number.

200200121020129 is a deficient number, since it is larger than the sum of its proper divisors (1).

200200121020129 is an equidigital number, since it uses as much as digits as its factorization.

200200121020129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 200200121020129 in words is "two hundred trillion, two hundred billion, one hundred twenty-one million, twenty thousand, one hundred twenty-nine".