21303310232022 has 384 divisors, whose sum is σ = 54452588940288. Its totient is φ = 5410366617600.

The previous prime is 21303310231999. The next prime is 21303310232047. The reversal of 21303310232022 is 22023201330312.

It is a junction number, because it is equal to n+sod(n) for n = 21303310231983 and 21303310232001.

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 191 ways as a sum of consecutive naturals, for example, 46211084872 + ... + 46211085332.

It is an arithmetic number, because the mean of its divisors is an integer number (141803617032).

Almost surely, 2^{21303310232022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21303310232022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27226294470144).

21303310232022 is an abundant number, since it is smaller than the sum of its proper divisors (33149278708266).

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

21303310232022 is a wasteful number, since it uses less digits than its factorization.

21303310232022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21303310232022 its reverse (22023201330312), we get a palindrome (43326511562334).

The spelling of 21303310232022 in words is "twenty-one trillion, three hundred three billion, three hundred ten million, two hundred thirty-two thousand, twenty-two".