101012020200989 has 2 divisors, whose sum is σ = 101012020200990. Its totient is φ = 101012020200988.

The previous prime is 101012020200947. The next prime is 101012020201067. The reversal of 101012020200989 is 989002020210101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70129603932964 + 30882416268025 = 8374342^2 + 5557195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101012020200989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101012020200919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50506010100494 + 50506010100495.

It is an arithmetic number, because the mean of its divisors is an integer number (50506010100495).

Almost surely, 2^{101012020200989} is an apocalyptic number.

It is an amenable number.

101012020200989 is a deficient number, since it is larger than the sum of its proper divisors (1).

101012020200989 is an equidigital number, since it uses as much as digits as its factorization.

101012020200989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 101012020200989 in words is "one hundred one trillion, twelve billion, twenty million, two hundred thousand, nine hundred eighty-nine".