121021022323 has 2 divisors, whose sum is σ = 121021022324. Its totient is φ = 121021022322.

The previous prime is 121021022321. The next prime is 121021022327. The reversal of 121021022323 is 323220120121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121021022323 - 2¹ = 121021022321 is a prime.

Together with 121021022321, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121021022323.

It is not a weakly prime, because it can be changed into another prime (121021022321) 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 as a sum of consecutive naturals, namely, 60510511161 + 60510511162.

It is an arithmetic number, because the mean of its divisors is an integer number (60510511162).

Almost surely, 2^121021022323 is an apocalyptic number.

121021022323 is a deficient number, since it is larger than the sum of its proper divisors (1).

121021022323 is an equidigital number, since it uses as much as digits as its factorization.

121021022323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121021022323 its reverse (323220120121), we get a palindrome (444241142444).

The spelling of 121021022323 in words is "one hundred twenty-one billion, twenty-one million, twenty-two thousand, three hundred twenty-three".