21300104122 has 16 divisors (see below), whose sum is σ = 34858371744. Its totient is φ = 9680850000.

The previous prime is 21300104113. The next prime is 21300104129. The reversal of 21300104122 is 22140100312.

It is a junction number, because it is equal to n+sod(n) for n = 21300104096 and 21300104105.

It is not an unprimeable number, because it can be changed into a prime (21300104129) 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, 188872 + ... + 279772.

It is an arithmetic number, because the mean of its divisors is an integer number (2178648234).

Almost surely, 2^21300104122 is an apocalyptic number.

21300104122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21300104122 is a deficient number, since it is larger than the sum of its proper divisors (13558267622).

21300104122 is a wasteful number, since it uses less digits than its factorization.

21300104122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101565.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21300104122 its reverse (22140100312), we get a palindrome (43440204434).

The spelling of 21300104122 in words is "twenty-one billion, three hundred million, one hundred four thousand, one hundred twenty-two".