105003230121 has 32 divisors (see below), whose sum is σ = 155897280000. Its totient is φ = 69850719360.

The previous prime is 105003230089. The next prime is 105003230173. The reversal of 105003230121 is 121032300501.

105003230121 is a `hidden beast` number, since 10 + 500 + 3 + 2 + 30 + 121 = 666.

It is not a de Polignac number, because 105003230121 - 2⁵ = 105003230089 is a prime.

It is a super-2 number, since 2×105003230121² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105003230094 and 105003230103.

It is not an unprimeable number, because it can be changed into a prime (105003230191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43015261 + ... + 43017701.

It is an arithmetic number, because the mean of its divisors is an integer number (4871790000).

Almost surely, 2^105003230121 is an apocalyptic number.

It is an amenable number.

105003230121 is a deficient number, since it is larger than the sum of its proper divisors (50894049879).

105003230121 is a wasteful number, since it uses less digits than its factorization.

105003230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246 (or 5240 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 105003230121 its reverse (121032300501), we get a palindrome (226035530622).

The spelling of 105003230121 in words is "one hundred five billion, three million, two hundred thirty thousand, one hundred twenty-one".