21333011223230 has 64 divisors (see below), whose sum is σ = 43907098540032. Its totient is φ = 7310501890560.

The previous prime is 21333011223217. The next prime is 21333011223257. The reversal of 21333011223230 is 3232211033312.

It is a super-3 number, since 3×21333011223230³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21333011223230.

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, 1707044342 + ... + 1707056838.

It is an arithmetic number, because the mean of its divisors is an integer number (686048414688).

Almost surely, 2^{21333011223230} is an apocalyptic number.

21333011223230 is an abundant number, since it is smaller than the sum of its proper divisors (22574087316802).

21333011223230 is a wasteful number, since it uses less digits than its factorization.

21333011223230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22809.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 21333011223230 its reverse (3232211033312), we get a palindrome (24565222256542).

The spelling of 21333011223230 in words is "twenty-one trillion, three hundred thirty-three billion, eleven million, two hundred twenty-three thousand, two hundred thirty".