21033310133230 has 32 divisors (see below), whose sum is σ = 38038924123200. Its totient is φ = 8373585153792.

The previous prime is 21033310133197. The next prime is 21033310133261. The reversal of 21033310133230 is 3233101333012.

It is a junction number, because it is equal to n+sod(n) for n = 21033310133195 and 21033310133204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3425191 + ... + 7334749.

It is an arithmetic number, because the mean of its divisors is an integer number (1188716378850).

Almost surely, 2^{21033310133230} is an apocalyptic number.

21033310133230 is a deficient number, since it is larger than the sum of its proper divisors (17005613989970).

21033310133230 is a wasteful number, since it uses less digits than its factorization.

21033310133230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912108.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 21033310133230 its reverse (3233101333012), we get a palindrome (24266411466242).

The spelling of 21033310133230 in words is "twenty-one trillion, thirty-three billion, three hundred ten million, one hundred thirty-three thousand, two hundred thirty".