21133304211313 has 8 divisors (see below), whose sum is σ = 24152524625600. Its totient is φ = 18114128035920.

The previous prime is 21133304211269. The next prime is 21133304211337. The reversal of 21133304211313 is 31311240333112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-21133304211313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21133304211013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10029663 + ... + 11952436.

It is an arithmetic number, because the mean of its divisors is an integer number (3019065578200).

Almost surely, 2^{21133304211313} is an apocalyptic number.

It is an amenable number.

21133304211313 is a deficient number, since it is larger than the sum of its proper divisors (3019220414287).

21133304211313 is a wasteful number, since it uses less digits than its factorization.

21133304211313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22119447.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 21133304211313 its reverse (31311240333112), we get a palindrome (52444544544425).

The spelling of 21133304211313 in words is "twenty-one trillion, one hundred thirty-three billion, three hundred four million, two hundred eleven thousand, three hundred thirteen".