21134300344103 has 8 divisors (see below), whose sum is σ = 21535119312768. Its totient is φ = 20733557619424.

The previous prime is 21134300344099. The next prime is 21134300344133. The reversal of 21134300344103 is 30144300343112.

It is a happy number.

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 21134300344103 - 2² = 21134300344099 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 (21134300344133) 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, 18501200 + ... + 19610277.

It is an arithmetic number, because the mean of its divisors is an integer number (2691889914096).

Almost surely, 2^{21134300344103} is an apocalyptic number.

21134300344103 is a deficient number, since it is larger than the sum of its proper divisors (400818968665).

21134300344103 is a wasteful number, since it uses less digits than its factorization.

21134300344103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38121993.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 21134300344103 its reverse (30144300343112), we get a palindrome (51278600687215).

Subtracting 21134300344103 from its reverse (30144300343112), we obtain a palindrome (9009999999009).

The spelling of 21134300344103 in words is "twenty-one trillion, one hundred thirty-four billion, three hundred million, three hundred forty-four thousand, one hundred three".