21141012003 has 4 divisors (see below), whose sum is σ = 28188016008. Its totient is φ = 14094008000.

The previous prime is 21141011893. The next prime is 21141012071. The reversal of 21141012003 is 30021014112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21141012003 - 2¹³ = 21141003811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21141012073) 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, 3523501998 + ... + 3523502003.

It is an arithmetic number, because the mean of its divisors is an integer number (7047004002).

Almost surely, 2^21141012003 is an apocalyptic number.

21141012003 is a deficient number, since it is larger than the sum of its proper divisors (7047004005).

21141012003 is an equidigital number, since it uses as much as digits as its factorization.

21141012003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7047004004.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 21141012003 its reverse (30021014112), we get a palindrome (51162026115).

The spelling of 21141012003 in words is "twenty-one billion, one hundred forty-one million, twelve thousand, three".