21412214003 has 4 divisors (see below), whose sum is σ = 22150566240. Its totient is φ = 20673861768.

The previous prime is 21412213997. The next prime is 21412214099. The reversal of 21412214003 is 30041221412.

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 21412214003 - 2¹⁰ = 21412212979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21412214203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369176075 + ... + 369176132.

It is an arithmetic number, because the mean of its divisors is an integer number (5537641560).

Almost surely, 2^21412214003 is an apocalyptic number.

21412214003 is a deficient number, since it is larger than the sum of its proper divisors (738352237).

21412214003 is an equidigital number, since it uses as much as digits as its factorization.

21412214003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738352236.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21412214003 its reverse (30041221412), we get a palindrome (51453435415).

The spelling of 21412214003 in words is "twenty-one billion, four hundred twelve million, two hundred fourteen thousand, three".