110545121 has 4 divisors (see below), whose sum is σ = 112630932. Its totient is φ = 108459312.

The previous prime is 110545117. The next prime is 110545151. The reversal of 110545121 is 121545011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121545011 = 7 ⋅17363573.

It can be written as a sum of positive squares in 2 ways, for example, as 75498721 + 35046400 = 8689^2 + 5920^2 .

It is a cyclic number.

It is not a de Polignac number, because 110545121 - 2² = 110545117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110545093 and 110545102.

It is not an unprimeable number, because it can be changed into a prime (110545111) 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, 1042826 + ... + 1042931.

It is an arithmetic number, because the mean of its divisors is an integer number (28157733).

Almost surely, 2^110545121 is an apocalyptic number.

It is an amenable number.

110545121 is a deficient number, since it is larger than the sum of its proper divisors (2085811).

110545121 is an equidigital number, since it uses as much as digits as its factorization.

110545121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085810.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 110545121 is about 10514.0439888751. The cubic root of 110545121 is about 479.9321677873.

The spelling of 110545121 in words is "one hundred ten million, five hundred forty-five thousand, one hundred twenty-one".