21412003103 has 16 divisors (see below), whose sum is σ = 21991089120. Its totient is φ = 20841214464.

The previous prime is 21412003099. The next prime is 21412003121. The reversal of 21412003103 is 30130021412.

It is a cyclic number.

It is not a de Polignac number, because 21412003103 - 2² = 21412003099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21412003163) 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 15 ways as a sum of consecutive naturals, for example, 8657075 + ... + 8659547.

It is an arithmetic number, because the mean of its divisors is an integer number (1374443070).

Almost surely, 2^21412003103 is an apocalyptic number.

21412003103 is a deficient number, since it is larger than the sum of its proper divisors (579086017).

21412003103 is a wasteful number, since it uses less digits than its factorization.

21412003103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21412003103 its reverse (30130021412), we get a palindrome (51542024515).

The spelling of 21412003103 in words is "twenty-one billion, four hundred twelve million, three thousand, one hundred three".