21314242545103 has 8 divisors (see below), whose sum is σ = 21424870188800. Its totient is φ = 21203616872448.

The previous prime is 21314242545031. The next prime is 21314242545119. The reversal of 21314242545103 is 30154524241312.

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 21314242545103 - 2³⁷ = 21176803591631 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 (21314242545203) 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, 24460903 + ... + 25317271.

It is an arithmetic number, because the mean of its divisors is an integer number (2678108773600).

Almost surely, 2^{21314242545103} is an apocalyptic number.

21314242545103 is a deficient number, since it is larger than the sum of its proper divisors (110627643697).

21314242545103 is a wasteful number, since it uses less digits than its factorization.

21314242545103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985521.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 21314242545103 its reverse (30154524241312), we get a palindrome (51468766786415).

The spelling of 21314242545103 in words is "twenty-one trillion, three hundred fourteen billion, two hundred forty-two million, five hundred forty-five thousand, one hundred three".