101010100100989 has 2 divisors, whose sum is σ = 101010100100990. Its totient is φ = 101010100100988.

The previous prime is 101010100100971. The next prime is 101010100101011. The reversal of 101010100100989 is 989001001010101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92121699980025 + 8888400120964 = 9598005^2 + 2981342^2 .

It is a cyclic number.

It is not a de Polignac number, because 101010100100989 - 2³⁵ = 100975740362621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101010100100989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101010100100909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505050050494 + 50505050050495.

It is an arithmetic number, because the mean of its divisors is an integer number (50505050050495).

Almost surely, 2^{101010100100989} is an apocalyptic number.

It is an amenable number.

101010100100989 is a deficient number, since it is larger than the sum of its proper divisors (1).

101010100100989 is an equidigital number, since it uses as much as digits as its factorization.

101010100100989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 31.

The spelling of 101010100100989 in words is "one hundred one trillion, ten billion, one hundred million, one hundred thousand, nine hundred eighty-nine".