101200110201989 has 2 divisors, whose sum is σ = 101200110201990. Its totient is φ = 101200110201988.

The previous prime is 101200110201959. The next prime is 101200110202069. The reversal of 101200110201989 is 989102011002101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95429785579489 + 5770324622500 = 9768817^2 + 2402150^2 .

It is a cyclic number.

It is not a de Polignac number, because 101200110201989 - 2²⁰ = 101200109153413 is a prime.

It is a super-3 number, since 3×101200110201989³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101200110201959) 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, 50600055100994 + 50600055100995.

It is an arithmetic number, because the mean of its divisors is an integer number (50600055100995).

Almost surely, 2^{101200110201989} is an apocalyptic number.

It is an amenable number.

101200110201989 is a deficient number, since it is larger than the sum of its proper divisors (1).

101200110201989 is an equidigital number, since it uses as much as digits as its factorization.

101200110201989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 35.

The spelling of 101200110201989 in words is "one hundred one trillion, two hundred billion, one hundred ten million, two hundred one thousand, nine hundred eighty-nine".