121001001210289 has 2 divisors, whose sum is σ = 121001001210290. Its totient is φ = 121001001210288.

The previous prime is 121001001210281. The next prime is 121001001210337. The reversal of 121001001210289 is 982012100100121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120234733825600 + 766267384689 = 10965160^2 + 875367^2 .

It is a cyclic number.

It is not a de Polignac number, because 121001001210289 - 2³ = 121001001210281 is a prime.

It is not a weakly prime, because it can be changed into another prime (121001001210281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500500605144 + 60500500605145.

It is an arithmetic number, because the mean of its divisors is an integer number (60500500605145).

Almost surely, 2^{121001001210289} is an apocalyptic number.

It is an amenable number.

121001001210289 is a deficient number, since it is larger than the sum of its proper divisors (1).

121001001210289 is an equidigital number, since it uses as much as digits as its factorization.

121001001210289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 121001001210289 in words is "one hundred twenty-one trillion, one billion, one million, two hundred ten thousand, two hundred eighty-nine".