121120320323 has 2 divisors, whose sum is σ = 121120320324. Its totient is φ = 121120320322.

The previous prime is 121120320259. The next prime is 121120320331. The reversal of 121120320323 is 323023021121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121120320323 - 2⁶ = 121120320259 is a prime.

It is a super-2 number, since 2×121120320323² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121120320295 and 121120320304.

It is not a weakly prime, because it can be changed into another prime (121120320353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560160161 + 60560160162.

It is an arithmetic number, because the mean of its divisors is an integer number (60560160162).

Almost surely, 2^121120320323 is an apocalyptic number.

121120320323 is a deficient number, since it is larger than the sum of its proper divisors (1).

121120320323 is an equidigital number, since it uses as much as digits as its factorization.

121120320323 is an odious number, because the sum of its binary digits is odd.

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

Adding to 121120320323 its reverse (323023021121), we get a palindrome (444143341444).

The spelling of 121120320323 in words is "one hundred twenty-one billion, one hundred twenty million, three hundred twenty thousand, three hundred twenty-three".