101110989 has 32 divisors (see below), whose sum is σ = 163087360. Its totient is φ = 54432000.

The previous prime is 101110987. The next prime is 101110993. The reversal of 101110989 is 989011101.

It is a happy number.

It is not a de Polignac number, because 101110989 - 2¹ = 101110987 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 (101110981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83589 + ... + 84789.

It is an arithmetic number, because the mean of its divisors is an integer number (5096480).

Almost surely, 2^101110989 is an apocalyptic number.

101110989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

101110989 is a deficient number, since it is larger than the sum of its proper divisors (61976371).

101110989 is a wasteful number, since it uses less digits than its factorization.

101110989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441.

The product of its (nonzero) digits is 648, while the sum is 30.

The square root of 101110989 is about 10055.3960140812. The cubic root of 101110989 is about 465.8714747446.

The spelling of 101110989 in words is "one hundred one million, one hundred ten thousand, nine hundred eighty-nine".