110013121 has 4 divisors (see below), whose sum is σ = 110035332. Its totient is φ = 109990912.

The previous prime is 110013119. The next prime is 110013133. The reversal of 110013121 is 121310011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121310011 = 17 ⋅7135883.

It can be written as a sum of positive squares in 2 ways, for example, as 43362225 + 66650896 = 6585^2 + 8164^2 .

It is a cyclic number.

It is not a de Polignac number, because 110013121 - 2¹ = 110013119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110013098 and 110013107.

It is not an unprimeable number, because it can be changed into a prime (110013191) 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, 81 + ... + 14833.

It is an arithmetic number, because the mean of its divisors is an integer number (27508833).

Almost surely, 2^110013121 is an apocalyptic number.

It is an amenable number.

110013121 is a deficient number, since it is larger than the sum of its proper divisors (22211).

110013121 is an equidigital number, since it uses as much as digits as its factorization.

110013121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22210.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 110013121 is about 10488.7139821810. The cubic root of 110013121 is about 479.1610359246.

Adding to 110013121 its reverse (121310011), we get a palindrome (231323132).

The spelling of 110013121 in words is "one hundred ten million, thirteen thousand, one hundred twenty-one".