21404114103 has 8 divisors (see below), whose sum is σ = 28544697216. Its totient is φ = 14266470200.

The previous prime is 21404114059. The next prime is 21404114117. The reversal of 21404114103 is 30141140412.

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 21404114103 - 2¹⁰ = 21404113079 is a prime.

It is a super-2 number, since 2×21404114103² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21404114103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21404114003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717753 + ... + 746978.

It is an arithmetic number, because the mean of its divisors is an integer number (3568087152).

Almost surely, 2^21404114103 is an apocalyptic number.

21404114103 is a deficient number, since it is larger than the sum of its proper divisors (7140583113).

21404114103 is a wasteful number, since it uses less digits than its factorization.

21404114103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469605.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21404114103 its reverse (30141140412), we get a palindrome (51545254515).

The spelling of 21404114103 in words is "twenty-one billion, four hundred four million, one hundred fourteen thousand, one hundred three".