110312121 has 4 divisors (see below), whose sum is σ = 147082832. Its totient is φ = 73541412.

The previous prime is 110312113. The next prime is 110312129. The reversal of 110312121 is 121213011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (110312113) and next prime (110312129).

It is not a de Polignac number, because 110312121 - 2³ = 110312113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110312097 and 110312106.

It is not an unprimeable number, because it can be changed into a prime (110312129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18385351 + ... + 18385356.

It is an arithmetic number, because the mean of its divisors is an integer number (36770708).

Almost surely, 2^110312121 is an apocalyptic number.

It is an amenable number.

110312121 is a deficient number, since it is larger than the sum of its proper divisors (36770711).

110312121 is an equidigital number, since it uses as much as digits as its factorization.

110312121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36770710.

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

The square root of 110312121 is about 10502.9577262788. The cubic root of 110312121 is about 479.5947404046.

Adding to 110312121 its reverse (121213011), we get a palindrome (231525132).

The spelling of 110312121 in words is "one hundred ten million, three hundred twelve thousand, one hundred twenty-one".