121416798443 has 2 divisors, whose sum is σ = 121416798444. Its totient is φ = 121416798442.

The previous prime is 121416798397. The next prime is 121416798449. The reversal of 121416798443 is 344897614121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121416798443 - 2¹⁶ = 121416732907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121416798391 and 121416798400.

It is not a weakly prime, because it can be changed into another prime (121416798449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60708399221 + 60708399222.

It is an arithmetic number, because the mean of its divisors is an integer number (60708399222).

Almost surely, 2^121416798443 is an apocalyptic number.

121416798443 is a deficient number, since it is larger than the sum of its proper divisors (1).

121416798443 is an equidigital number, since it uses as much as digits as its factorization.

121416798443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 50.

The spelling of 121416798443 in words is "one hundred twenty-one billion, four hundred sixteen million, seven hundred ninety-eight thousand, four hundred forty-three".