102121120110089 has 2 divisors, whose sum is σ = 102121120110090. Its totient is φ = 102121120110088.

The previous prime is 102121120110077. The next prime is 102121120110197. The reversal of 102121120110089 is 980011021121201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87561683353600 + 14559436756489 = 9357440^2 + 3815683^2 .

It is a cyclic number.

It is not a de Polignac number, because 102121120110089 - 2⁴⁴ = 84528934065673 is a prime.

It is not a weakly prime, because it can be changed into another prime (102121120110019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060560055044 + 51060560055045.

It is an arithmetic number, because the mean of its divisors is an integer number (51060560055045).

Almost surely, 2^{102121120110089} is an apocalyptic number.

It is an amenable number.

102121120110089 is a deficient number, since it is larger than the sum of its proper divisors (1).

102121120110089 is an equidigital number, since it uses as much as digits as its factorization.

102121120110089 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 29.

The spelling of 102121120110089 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twenty million, one hundred ten thousand, eighty-nine".