330121018 has 4 divisors (see below), whose sum is σ = 495181530. Its totient is φ = 165060508.

The previous prime is 330121003. The next prime is 330121027. The reversal of 330121018 is 810121033.

330121018 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 810121033 = 281 ⋅2882993.

It can be written as a sum of positive squares in only one way, i.e., 291145969 + 38975049 = 17063^2 + 6243^2 .

It is a junction number, because it is equal to n+sod(n) for n = 330120986 and 330121004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82530253 + ... + 82530256.

Almost surely, 2^330121018 is an apocalyptic number.

330121018 is a deficient number, since it is larger than the sum of its proper divisors (165060512).

330121018 is a wasteful number, since it uses less digits than its factorization.

330121018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165060511.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 330121018 is about 18169.2327300852. The cubic root of 330121018 is about 691.1267859699.

The spelling of 330121018 in words is "three hundred thirty million, one hundred twenty-one thousand, eighteen".