200120121000089 has 2 divisors, whose sum is σ = 200120121000090. Its totient is φ = 200120121000088.

The previous prime is 200120121000067. The next prime is 200120121000301. The reversal of 200120121000089 is 980000121021002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144504248664064 + 55615872336025 = 12020992^2 + 7457605^2 .

It is a cyclic number.

It is not a de Polignac number, because 200120121000089 - 2²⁰ = 200120119951513 is a prime.

It is not a weakly prime, because it can be changed into another prime (200120121002089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060060500044 + 100060060500045.

It is an arithmetic number, because the mean of its divisors is an integer number (100060060500045).

Almost surely, 2^{200120121000089} is an apocalyptic number.

It is an amenable number.

200120121000089 is a deficient number, since it is larger than the sum of its proper divisors (1).

200120121000089 is an equidigital number, since it uses as much as digits as its factorization.

200120121000089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 200120121000089 in words is "two hundred trillion, one hundred twenty billion, one hundred twenty-one million, eighty-nine", and thus it is an aban number.