103210232121 has 24 divisors (see below), whose sum is σ = 154124727744. Its totient is φ = 66503786400.

The previous prime is 103210232089. The next prime is 103210232129. The reversal of 103210232121 is 121232012301.

103210232121 is a `hidden beast` number, since 1 + 0 + 321 + 0 + 2 + 321 + 21 = 666.

It is not a de Polignac number, because 103210232121 - 2⁵ = 103210232089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103210232094 and 103210232103.

It is not an unprimeable number, because it can be changed into a prime (103210232129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 976011 + ... + 1076576.

It is an arithmetic number, because the mean of its divisors is an integer number (6421863656).

Almost surely, 2^103210232121 is an apocalyptic number.

It is an amenable number.

103210232121 is a deficient number, since it is larger than the sum of its proper divisors (50914495623).

103210232121 is a wasteful number, since it uses less digits than its factorization.

103210232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052781 (or 2052778 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103210232121 its reverse (121232012301), we get a palindrome (224442244422).

The spelling of 103210232121 in words is "one hundred three billion, two hundred ten million, two hundred thirty-two thousand, one hundred twenty-one".