21233100033333 has 12 divisors (see below), whose sum is σ = 31383289972320. Its totient is φ = 13826204672616.

The previous prime is 21233100033331. The next prime is 21233100033371. The reversal of 21233100033333 is 33333000133212.

21233100033333 is a `hidden beast` number, since 2 + 12 + 3 + 310 + 0 + 0 + 3 + 3 + 333 = 666.

It is not a de Polignac number, because 21233100033333 - 2¹ = 21233100033331 is a prime.

It is a super-2 number, since 2×21233100033333² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21233100033297 and 21233100033306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233100033331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27432945393 + ... + 27432946166.

It is an arithmetic number, because the mean of its divisors is an integer number (2615274164360).

Almost surely, 2^{21233100033333} is an apocalyptic number.

It is an amenable number.

21233100033333 is a deficient number, since it is larger than the sum of its proper divisors (10150189938987).

21233100033333 is a wasteful number, since it uses less digits than its factorization.

21233100033333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54865891608 (or 54865891605 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 27.

Adding to 21233100033333 its reverse (33333000133212), we get a palindrome (54566100166545).

The spelling of 21233100033333 in words is "twenty-one trillion, two hundred thirty-three billion, one hundred million, thirty-three thousand, three hundred thirty-three".