101230200989 has 2 divisors, whose sum is σ = 101230200990. Its totient is φ = 101230200988.

The previous prime is 101230200959. The next prime is 101230201043. The reversal of 101230200989 is 989002032101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60782957764 + 40447243225 = 246542^2 + 201115^2 .

It is a cyclic number.

It is not a de Polignac number, because 101230200989 - 2¹⁶ = 101230135453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101230200959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50615100494 + 50615100495.

It is an arithmetic number, because the mean of its divisors is an integer number (50615100495).

Almost surely, 2^101230200989 is an apocalyptic number.

It is an amenable number.

101230200989 is a deficient number, since it is larger than the sum of its proper divisors (1).

101230200989 is an equidigital number, since it uses as much as digits as its factorization.

101230200989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 101230200989 in words is "one hundred one billion, two hundred thirty million, two hundred thousand, nine hundred eighty-nine".