230121112 has 64 divisors (see below), whose sum is σ = 499020480. Its totient is φ = 98537472.

The previous prime is 230121109. The next prime is 230121121. The reversal of 230121112 is 211121032.

It is a super-4 number, since 4×230121112⁴ (a number of 35 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 230121092 and 230121101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128173 + ... + 129955.

It is an arithmetic number, because the mean of its divisors is an integer number (7797195).

Almost surely, 2^230121112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230121112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249510240).

230121112 is an abundant number, since it is smaller than the sum of its proper divisors (268899368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230121112 is a wasteful number, since it uses less digits than its factorization.

230121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892 (or 1888 counting only the distinct ones).

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

The square root of 230121112 is about 15169.7433069911. The cubic root of 230121112 is about 612.8000912929.

Adding to 230121112 its reverse (211121032), we get a palindrome (441242144).

The spelling of 230121112 in words is "two hundred thirty million, one hundred twenty-one thousand, one hundred twelve".