21320033322133 has 32 divisors (see below), whose sum is σ = 26819119579392. Its totient is φ = 16500357504000.

The previous prime is 21320033322127. The next prime is 21320033322149. The reversal of 21320033322133 is 33122333002312.

It is not a de Polignac number, because 21320033322133 - 2⁵ = 21320033322101 is a prime.

It is a super-3 number, since 3×21320033322133³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21320033022133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13211028 + ... + 14736733.

It is an arithmetic number, because the mean of its divisors is an integer number (838097486856).

Almost surely, 2^{21320033322133} is an apocalyptic number.

It is an amenable number.

21320033322133 is a deficient number, since it is larger than the sum of its proper divisors (5499086257259).

21320033322133 is a wasteful number, since it uses less digits than its factorization.

21320033322133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27947965.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 21320033322133 its reverse (33122333002312), we get a palindrome (54442366324445).

The spelling of 21320033322133 in words is "twenty-one trillion, three hundred twenty billion, thirty-three million, three hundred twenty-two thousand, one hundred thirty-three".