110021161 has 8 divisors (see below), whose sum is σ = 116584704. Its totient is φ = 103467840.

The previous prime is 110021159. The next prime is 110021173. The reversal of 110021161 is 161120011.

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

It is a cyclic number.

It is not a de Polignac number, because 110021161 - 2¹ = 110021159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110021111) 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, 39856 + ... + 42526.

It is an arithmetic number, because the mean of its divisors is an integer number (14573088).

Almost surely, 2^110021161 is an apocalyptic number.

It is an amenable number.

110021161 is a deficient number, since it is larger than the sum of its proper divisors (6563543).

110021161 is a wasteful number, since it uses less digits than its factorization.

110021161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 110021161 is about 10489.0972442818. The cubic root of 110021161 is about 479.1727083531.

Adding to 110021161 its reverse (161120011), we get a palindrome (271141172).

The spelling of 110021161 in words is "one hundred ten million, twenty-one thousand, one hundred sixty-one".