320112121 has 8 divisors (see below), whose sum is σ = 378457920. Its totient is φ = 264920208.

The previous prime is 320112101. The next prime is 320112151. The reversal of 320112121 is 121211023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320112121 - 2¹³ = 320103929 is a prime.

It is a super-2 number, since 2×320112121² = 204943540022237282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320112101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788251 + ... + 788656.

It is an arithmetic number, because the mean of its divisors is an integer number (47307240).

Almost surely, 2^320112121 is an apocalyptic number.

It is an amenable number.

320112121 is a deficient number, since it is larger than the sum of its proper divisors (58345799).

320112121 is a wasteful number, since it uses less digits than its factorization.

320112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576943.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 320112121 is about 17891.6774227572. The cubic root of 320112121 is about 684.0702544313.

Adding to 320112121 its reverse (121211023), we get a palindrome (441323144).

The spelling of 320112121 in words is "three hundred twenty million, one hundred twelve thousand, one hundred twenty-one".