103320232121 has 4 divisors (see below), whose sum is σ = 109397892852. Its totient is φ = 97242571392.

The previous prime is 103320232111. The next prime is 103320232123. The reversal of 103320232121 is 121232023301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56863171600 + 46457060521 = 238460^2 + 215539^2 .

It is a cyclic number.

It is not a de Polignac number, because 103320232121 - 2²⁶ = 103253123257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103320232093 and 103320232102.

It is not an unprimeable number, because it can be changed into a prime (103320232123) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3038830340 + ... + 3038830373.

It is an arithmetic number, because the mean of its divisors is an integer number (27349473213).

Almost surely, 2^103320232121 is an apocalyptic number.

It is an amenable number.

103320232121 is a deficient number, since it is larger than the sum of its proper divisors (6077660731).

103320232121 is an equidigital number, since it uses as much as digits as its factorization.

103320232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6077660730.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 103320232121 its reverse (121232023301), we get a palindrome (224552255422).

The spelling of 103320232121 in words is "one hundred three billion, three hundred twenty million, two hundred thirty-two thousand, one hundred twenty-one".