121114450443 has 16 divisors (see below), whose sum is σ = 184573598976. Its totient is φ = 69201415200.

The previous prime is 121114450439. The next prime is 121114450451. The reversal of 121114450443 is 344054411121.

It is not a de Polignac number, because 121114450443 - 2² = 121114450439 is a prime.

It is a super-2 number, since 2×121114450443² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121114450443.

It is not an unprimeable number, because it can be changed into a prime (121114450493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63621 + ... + 496262.

It is an arithmetic number, because the mean of its divisors is an integer number (11535849936).

Almost surely, 2^121114450443 is an apocalyptic number.

121114450443 is a deficient number, since it is larger than the sum of its proper divisors (63459148533).

121114450443 is a wasteful number, since it uses less digits than its factorization.

121114450443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570194.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 121114450443 its reverse (344054411121), we get a palindrome (465168861564).

The spelling of 121114450443 in words is "one hundred twenty-one billion, one hundred fourteen million, four hundred fifty thousand, four hundred forty-three".