121011222110489 has 2 divisors, whose sum is σ = 121011222110490. Its totient is φ = 121011222110488.

The previous prime is 121011222110459. The next prime is 121011222110539. The reversal of 121011222110489 is 984011222110121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66513680870464 + 54497541240025 = 8155592^2 + 7382245^2 .

It is a cyclic number.

It is not a de Polignac number, because 121011222110489 - 2²⁴ = 121011205333273 is a prime.

It is not a weakly prime, because it can be changed into another prime (121011222110419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505611055244 + 60505611055245.

It is an arithmetic number, because the mean of its divisors is an integer number (60505611055245).

Almost surely, 2^{121011222110489} is an apocalyptic number.

It is an amenable number.

121011222110489 is a deficient number, since it is larger than the sum of its proper divisors (1).

121011222110489 is an equidigital number, since it uses as much as digits as its factorization.

121011222110489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 35.

The spelling of 121011222110489 in words is "one hundred twenty-one trillion, eleven billion, two hundred twenty-two million, one hundred ten thousand, four hundred eighty-nine".