121343044003 has 16 divisors (see below), whose sum is σ = 123636240000. Its totient is φ = 119064952512.

The previous prime is 121343043979. The next prime is 121343044037. The reversal of 121343044003 is 300440343121.

It is a cyclic number.

It is not a de Polignac number, because 121343044003 - 2²⁹ = 120806173091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121343044073) 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, 20743023 + ... + 20748871.

It is an arithmetic number, because the mean of its divisors is an integer number (7727265000).

Almost surely, 2^121343044003 is an apocalyptic number.

121343044003 is a deficient number, since it is larger than the sum of its proper divisors (2293195997).

121343044003 is an equidigital number, since it uses as much as digits as its factorization.

121343044003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7074.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 121343044003 its reverse (300440343121), we get a palindrome (421783387124).

The spelling of 121343044003 in words is "one hundred twenty-one billion, three hundred forty-three million, forty-four thousand, three".