110170021 has 8 divisors (see below), whose sum is σ = 121169664. Its totient is φ = 99531120.

The previous prime is 110170007. The next prime is 110170031. The reversal of 110170021 is 120071011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 110170021 - 2¹⁷ = 110038949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110169983 and 110170010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110170031) 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 7 ways as a sum of consecutive naturals, for example, 89545 + ... + 90766.

It is an arithmetic number, because the mean of its divisors is an integer number (15146208).

Almost surely, 2^110170021 is an apocalyptic number.

It is an amenable number.

110170021 is a deficient number, since it is larger than the sum of its proper divisors (10999643).

110170021 is a wasteful number, since it uses less digits than its factorization.

110170021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180371.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 110170021 is about 10496.1907852325. The cubic root of 110170021 is about 479.3887198395.

The spelling of 110170021 in words is "one hundred ten million, one hundred seventy thousand, twenty-one".