1002143044121 has 4 divisors (see below), whose sum is σ = 1002223208832. Its totient is φ = 1002062879412.

The previous prime is 1002143044109. The next prime is 1002143044151. The reversal of 1002143044121 is 1214403412001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1002143044121 - 2¹⁴ = 1002143027737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002143044151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40063601 + ... + 40088606.

It is an arithmetic number, because the mean of its divisors is an integer number (250555802208).

Almost surely, 2^{1002143044121} is an apocalyptic number.

It is an amenable number.

1002143044121 is a deficient number, since it is larger than the sum of its proper divisors (80164711).

1002143044121 is an equidigital number, since it uses as much as digits as its factorization.

1002143044121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80164710.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1002143044121 its reverse (1214403412001), we get a palindrome (2216546456122).

The spelling of 1002143044121 in words is "one trillion, two billion, one hundred forty-three million, forty-four thousand, one hundred twenty-one".