110200019989 has 4 divisors (see below), whose sum is σ = 116682374124. Its totient is φ = 103717665856.

The previous prime is 110200019983. The next prime is 110200020001. The reversal of 110200019989 is 989910002011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80964149764 + 29235870225 = 284542^2 + 170985^2 .

It is not a de Polignac number, because 110200019989 - 2⁵ = 110200019957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110200019983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3241177042 + ... + 3241177075.

It is an arithmetic number, because the mean of its divisors is an integer number (29170593531).

Almost surely, 2^110200019989 is an apocalyptic number.

It is an amenable number.

110200019989 is a deficient number, since it is larger than the sum of its proper divisors (6482354135).

110200019989 is an equidigital number, since it uses as much as digits as its factorization.

110200019989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6482354134.

The product of its (nonzero) digits is 11664, while the sum is 40.

The spelling of 110200019989 in words is "one hundred ten billion, two hundred million, nineteen thousand, nine hundred eighty-nine".