21103130014 has 16 divisors (see below), whose sum is σ = 31758090480. Its totient is φ = 10517126400.

The previous prime is 21103130003. The next prime is 21103130033. The reversal of 21103130014 is 41003130112.

It is a self number, because there is not a number n which added to its sum of digits gives 21103130014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2126464 + ... + 2136364.

It is an arithmetic number, because the mean of its divisors is an integer number (1984880655).

Almost surely, 2^21103130014 is an apocalyptic number.

21103130014 is a deficient number, since it is larger than the sum of its proper divisors (10654960466).

21103130014 is a wasteful number, since it uses less digits than its factorization.

21103130014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13275.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21103130014 its reverse (41003130112), we get a palindrome (62106260126).

The spelling of 21103130014 in words is "twenty-one billion, one hundred three million, one hundred thirty thousand, fourteen".