21103323041230 has 16 divisors (see below), whose sum is σ = 38608702483104. Its totient is φ = 8302946770080.

The previous prime is 21103323041209. The next prime is 21103323041231. The reversal of 21103323041230 is 3214032330112.

It is a junction number, because it is equal to n+sod(n) for n = 21103323041195 and 21103323041204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21103323041231) by changing a digit.

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, 17297805162 + ... + 17297806381.

It is an arithmetic number, because the mean of its divisors is an integer number (2413043905194).

Almost surely, 2^{21103323041230} is an apocalyptic number.

21103323041230 is a deficient number, since it is larger than the sum of its proper divisors (17505379441874).

21103323041230 is a wasteful number, since it uses less digits than its factorization.

21103323041230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34595611611.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21103323041230 its reverse (3214032330112), we get a palindrome (24317355371342).

The spelling of 21103323041230 in words is "twenty-one trillion, one hundred three billion, three hundred twenty-three million, forty-one thousand, two hundred thirty".