1421021330003 has 8 divisors (see below), whose sum is σ = 1550214996480. Its totient is φ = 1291829315080.

The previous prime is 1421021329999. The next prime is 1421021330011. The reversal of 1421021330003 is 3000331201241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1421021330003 - 2² = 1421021329999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421021330083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1998518 + ... + 2614596.

It is an arithmetic number, because the mean of its divisors is an integer number (193776874560).

Almost surely, 2^{1421021330003} is an apocalyptic number.

1421021330003 is a deficient number, since it is larger than the sum of its proper divisors (129193666477).

1421021330003 is a wasteful number, since it uses less digits than its factorization.

1421021330003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825777.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1421021330003 its reverse (3000331201241), we get a palindrome (4421352531244).

The spelling of 1421021330003 in words is "one trillion, four hundred twenty-one billion, twenty-one million, three hundred thirty thousand, three".