21333310220211 has 8 divisors (see below), whose sum is σ = 31030269411264. Its totient is φ = 12929278921320.

The previous prime is 21333310220207. The next prime is 21333310220239. The reversal of 21333310220211 is 11202201333312.

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

It is not a de Polignac number, because 21333310220211 - 2² = 21333310220207 is a prime.

It is a super-2 number, since 2×21333310220211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21333310228211) 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, 323231973001 + ... + 323231973066.

It is an arithmetic number, because the mean of its divisors is an integer number (3878783676408).

Almost surely, 2^{21333310220211} is an apocalyptic number.

21333310220211 is a deficient number, since it is larger than the sum of its proper divisors (9696959191053).

21333310220211 is a wasteful number, since it uses less digits than its factorization.

21333310220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646463946081.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21333310220211 its reverse (11202201333312), we get a palindrome (32535511553523).

The spelling of 21333310220211 in words is "twenty-one trillion, three hundred thirty-three billion, three hundred ten million, two hundred twenty thousand, two hundred eleven".