21233100033306 has 24 divisors (see below), whose sum is σ = 52577200082784. Its totient is φ = 6066600009480.

The previous prime is 21233100033263. The next prime is 21233100033323. The reversal of 21233100033306 is 60333000133212.

It is a happy number.

21233100033306 is a `hidden beast` number, since 2 + 12 + 3 + 310 + 0 + 0 + 3 + 330 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 21233100033306.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84258333340 + ... + 84258333591.

It is an arithmetic number, because the mean of its divisors is an integer number (2190716670116).

Almost surely, 2^{21233100033306} is an apocalyptic number.

21233100033306 is an abundant number, since it is smaller than the sum of its proper divisors (31344100049478).

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

21233100033306 is a wasteful number, since it uses less digits than its factorization.

21233100033306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168516666946 (or 168516666943 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 21233100033306 its reverse (60333000133212), we get a palindrome (81566100166518).

The spelling of 21233100033306 in words is "twenty-one trillion, two hundred thirty-three billion, one hundred million, thirty-three thousand, three hundred six".