101101109 has 4 divisors (see below), whose sum is σ = 106422240. Its totient is φ = 95779980.

The previous prime is 101101103. The next prime is 101101111. The reversal of 101101109 is 901101101.

It is a happy number.

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: 901101101 = 15473 ⋅58237.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101101109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101101093 and 101101102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101101103) 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 3 ways as a sum of consecutive naturals, for example, 2660537 + ... + 2660574.

It is an arithmetic number, because the mean of its divisors is an integer number (26605560).

Almost surely, 2^101101109 is an apocalyptic number.

101101109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

101101109 is a deficient number, since it is larger than the sum of its proper divisors (5321131).

101101109 is an equidigital number, since it uses as much as digits as its factorization.

101101109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321130.

The product of its (nonzero) digits is 9, while the sum is 14.

The square root of 101101109 is about 10054.9047235665. The cubic root of 101101109 is about 465.8563001326.

The spelling of 101101109 in words is "one hundred one million, one hundred one thousand, one hundred nine".