21300233202222 has 64 divisors (see below), whose sum is σ = 45926413876224. Its totient is φ = 6546922836480.

The previous prime is 21300233202137. The next prime is 21300233202289. The reversal of 21300233202222 is 22220233200312.

It is a junction number, because it is equal to n+sod(n) for n = 21300233202192 and 21300233202201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332747743 + ... + 332811749.

It is an arithmetic number, because the mean of its divisors is an integer number (717600216816).

Almost surely, 2^{21300233202222} is an apocalyptic number.

21300233202222 is an abundant number, since it is smaller than the sum of its proper divisors (24626180674002).

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

21300233202222 is a wasteful number, since it uses less digits than its factorization.

21300233202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68513.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 21300233202222 its reverse (22220233200312), we get a palindrome (43520466402534).

The spelling of 21300233202222 in words is "twenty-one trillion, three hundred billion, two hundred thirty-three million, two hundred two thousand, two hundred twenty-two".