121032302321 has 4 divisors (see below), whose sum is σ = 138322631232. Its totient is φ = 103741973412.

The previous prime is 121032302317. The next prime is 121032302323. The reversal of 121032302321 is 123203230121.

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 not a de Polignac number, because 121032302321 - 2² = 121032302317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121032302293 and 121032302302.

It is not an unprimeable number, because it can be changed into a prime (121032302323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8645164445 + ... + 8645164458.

It is an arithmetic number, because the mean of its divisors is an integer number (34580657808).

Almost surely, 2^121032302321 is an apocalyptic number.

It is an amenable number.

121032302321 is a deficient number, since it is larger than the sum of its proper divisors (17290328911).

121032302321 is an equidigital number, since it uses as much as digits as its factorization.

121032302321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17290328910.

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

Adding to 121032302321 its reverse (123203230121), we get a palindrome (244235532442).

The spelling of 121032302321 in words is "one hundred twenty-one billion, thirty-two million, three hundred two thousand, three hundred twenty-one".