21314401103 has 4 divisors (see below), whose sum is σ = 21315996120. Its totient is φ = 21312806088.

The previous prime is 21314401067. The next prime is 21314401123. The reversal of 21314401103 is 30110441312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21314401103 - 2²⁶ = 21247292239 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 (21314401123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 777293 + ... + 804246.

It is an arithmetic number, because the mean of its divisors is an integer number (5328999030).

Almost surely, 2^21314401103 is an apocalyptic number.

21314401103 is a deficient number, since it is larger than the sum of its proper divisors (1595017).

21314401103 is a wasteful number, since it uses less digits than its factorization.

21314401103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595016.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21314401103 its reverse (30110441312), we get a palindrome (51424842415).

The spelling of 21314401103 in words is "twenty-one billion, three hundred fourteen million, four hundred one thousand, one hundred three".