121202330321 has 4 divisors (see below), whose sum is σ = 125112082944. Its totient is φ = 117292577700.

The previous prime is 121202330311. The next prime is 121202330411. The reversal of 121202330321 is 123033202121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121202330321 - 2³⁰ = 120128588497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121202330293 and 121202330302.

It is not an unprimeable number, because it can be changed into a prime (121202330311) 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, 1954876265 + ... + 1954876326.

It is an arithmetic number, because the mean of its divisors is an integer number (31278020736).

Almost surely, 2^121202330321 is an apocalyptic number.

It is an amenable number.

121202330321 is a deficient number, since it is larger than the sum of its proper divisors (3909752623).

121202330321 is an equidigital number, since it uses as much as digits as its factorization.

121202330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909752622.

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

Adding to 121202330321 its reverse (123033202121), we get a palindrome (244235532442).

The spelling of 121202330321 in words is "one hundred twenty-one billion, two hundred two million, three hundred thirty thousand, three hundred twenty-one".