21023211300330 has 16 divisors (see below), whose sum is σ = 50455707120864. Its totient is φ = 5606189680080.

The previous prime is 21023211300293. The next prime is 21023211300367. The reversal of 21023211300330 is 3300311232012.

It is an interprime number because it is at equal distance from previous prime (21023211300293) and next prime (21023211300367).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21023211300297 and 21023211300306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350386854976 + ... + 350386855035.

It is an arithmetic number, because the mean of its divisors is an integer number (3153481695054).

Almost surely, 2^{21023211300330} is an apocalyptic number.

21023211300330 is an abundant number, since it is smaller than the sum of its proper divisors (29432495820534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21023211300330 is a wasteful number, since it uses less digits than its factorization.

21023211300330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700773710021.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21023211300330 its reverse (3300311232012), we get a palindrome (24323522532342).

The spelling of 21023211300330 in words is "twenty-one trillion, twenty-three billion, two hundred eleven million, three hundred thousand, three hundred thirty".