21411040103 has 16 divisors (see below), whose sum is σ = 22321790976. Its totient is φ = 20514453120.

The previous prime is 21411040097. The next prime is 21411040163. The reversal of 21411040103 is 30104011412.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 21411040103 - 2¹⁴ = 21411023719 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 (21411040163) 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, 3804950 + ... + 3810572.

It is an arithmetic number, because the mean of its divisors is an integer number (1395111936).

Almost surely, 2^21411040103 is an apocalyptic number.

21411040103 is a deficient number, since it is larger than the sum of its proper divisors (910750873).

21411040103 is a wasteful number, since it uses less digits than its factorization.

21411040103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6854.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21411040103 its reverse (30104011412), we get a palindrome (51515051515).

The spelling of 21411040103 in words is "twenty-one billion, four hundred eleven million, forty thousand, one hundred three".