21000022333230 has 16 divisors (see below), whose sum is σ = 50400053599824. Its totient is φ = 5600005955520.

The previous prime is 21000022333223. The next prime is 21000022333319. The reversal of 21000022333230 is 3233322000012.

It is a junction number, because it is equal to n+sod(n) for n = 21000022333197 and 21000022333206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350000372191 + ... + 350000372250.

It is an arithmetic number, because the mean of its divisors is an integer number (3150003349989).

Almost surely, 2^{21000022333230} is an apocalyptic number.

21000022333230 is an abundant number, since it is smaller than the sum of its proper divisors (29400031266594).

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

21000022333230 is a wasteful number, since it uses less digits than its factorization.

21000022333230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700000744451.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 21000022333230 its reverse (3233322000012), we get a palindrome (24233344333242).

The spelling of 21000022333230 in words is "twenty-one trillion, twenty-two million, three hundred thirty-three thousand, two hundred thirty".