121443414341443 has 32 divisors (see below), whose sum is σ = 132088416768000. Its totient is φ = 111594549483648.

The previous prime is 121443414341437. The next prime is 121443414341503. The reversal of 121443414341443 is 344143414344121.

It is not a de Polignac number, because 121443414341443 - 2⁵ = 121443414341411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121443414341443.

It is not an unprimeable number, because it can be changed into a prime (121443414341423) 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 31 ways as a sum of consecutive naturals, for example, 506690530 + ... + 506930152.

It is an arithmetic number, because the mean of its divisors is an integer number (4127763024000).

Almost surely, 2^{121443414341443} is an apocalyptic number.

121443414341443 is a deficient number, since it is larger than the sum of its proper divisors (10645002426557).

121443414341443 is an equidigital number, since it uses as much as digits as its factorization.

121443414341443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242116 (or 242082 counting only the distinct ones).

The product of its digits is 884736, while the sum is 43.

Adding to 121443414341443 its reverse (344143414344121), we get a palindrome (465586828685564).

The spelling of 121443414341443 in words is "one hundred twenty-one trillion, four hundred forty-three billion, four hundred fourteen million, three hundred forty-one thousand, four hundred forty-three".