21300011103 has 16 divisors (see below), whose sum is σ = 32542810880. Its totient is φ = 12139315776.

The previous prime is 21300011101. The next prime is 21300011141. The reversal of 21300011103 is 30111000312.

It is not a de Polignac number, because 21300011103 - 2¹ = 21300011101 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 (21300011101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1330150 + ... + 1346067.

It is an arithmetic number, because the mean of its divisors is an integer number (2033925680).

Almost surely, 2^21300011103 is an apocalyptic number.

21300011103 is a deficient number, since it is larger than the sum of its proper divisors (11242799777).

21300011103 is a wasteful number, since it uses less digits than its factorization.

21300011103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676606.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 21300011103 its reverse (30111000312), we get a palindrome (51411011415).

The spelling of 21300011103 in words is "twenty-one billion, three hundred million, eleven thousand, one hundred three".