110210120989 has 4 divisors (see below), whose sum is σ = 111537953856. Its totient is φ = 108882288124.

The previous prime is 110210120987. The next prime is 110210121013. The reversal of 110210120989 is 989021012011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 989021012011 = 19073 ⋅51854507.

It is a cyclic number.

It is not a de Polignac number, because 110210120989 - 2¹ = 110210120987 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 (110210120987) 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, 663916309 + ... + 663916474.

It is an arithmetic number, because the mean of its divisors is an integer number (27884488464).

Almost surely, 2^110210120989 is an apocalyptic number.

It is an amenable number.

110210120989 is a deficient number, since it is larger than the sum of its proper divisors (1327832867).

110210120989 is an equidigital number, since it uses as much as digits as its factorization.

110210120989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327832866.

The product of its (nonzero) digits is 2592, while the sum is 34.

The spelling of 110210120989 in words is "one hundred ten billion, two hundred ten million, one hundred twenty thousand, nine hundred eighty-nine".