110720105 has 4 divisors (see below), whose sum is σ = 132864132. Its totient is φ = 88576080.

The previous prime is 110720089. The next prime is 110720111. The reversal of 110720105 is 501027011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501027011 = 41 ⋅12220171.

It can be written as a sum of positive squares in 2 ways, for example, as 49942489 + 60777616 = 7067^2 + 7796^2 .

It is not a de Polignac number, because 110720105 - 2⁴ = 110720089 is a prime.

It is a super-2 number, since 2×110720105² = 24517883302422050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11072006 + ... + 11072015.

It is an arithmetic number, because the mean of its divisors is an integer number (33216033).

Almost surely, 2^110720105 is an apocalyptic number.

It is an amenable number.

110720105 is a deficient number, since it is larger than the sum of its proper divisors (22144027).

110720105 is an equidigital number, since it uses as much as digits as its factorization.

110720105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22144026.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 110720105 is about 10522.3621397479. The cubic root of 110720105 is about 480.1852655788.

Adding to 110720105 its reverse (501027011), we get a palindrome (611747116).

It can be divided in two parts, 1107 and 20105, that added together give a palindrome (21212).

The spelling of 110720105 in words is "one hundred ten million, seven hundred twenty thousand, one hundred five".