121104113221423 has 16 divisors (see below), whose sum is σ = 127192871108160. Its totient is φ = 115146715667200.

The previous prime is 121104113221417. The next prime is 121104113221433. The reversal of 121104113221423 is 324122311401121.

It is a cyclic number.

It is not a de Polignac number, because 121104113221423 - 2¹⁷ = 121104113090351 is a prime.

It is a super-2 number, since 2×121104113221423² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121104113221391 and 121104113221400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121104113221433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32551048 + ... + 36080173.

It is an arithmetic number, because the mean of its divisors is an integer number (7949554444260).

Almost surely, 2^{121104113221423} is an apocalyptic number.

121104113221423 is a deficient number, since it is larger than the sum of its proper divisors (6088757886737).

121104113221423 is an equidigital number, since it uses as much as digits as its factorization.

121104113221423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68632178.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 121104113221423 its reverse (324122311401121), we get a palindrome (445226424622544).

The spelling of 121104113221423 in words is "one hundred twenty-one trillion, one hundred four billion, one hundred thirteen million, two hundred twenty-one thousand, four hundred twenty-three".