21321333102211 has 8 divisors (see below), whose sum is σ = 22009224833024. Its totient is φ = 20633448045960.

The previous prime is 21321333102203. The next prime is 21321333102221. The reversal of 21321333102211 is 11220133312312.

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

It is a cyclic number.

It is not a de Polignac number, because 21321333102211 - 2³ = 21321333102203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21321333102221) 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, 5283016 + ... + 8399578.

It is an arithmetic number, because the mean of its divisors is an integer number (2751153104128).

Almost surely, 2^{21321333102211} is an apocalyptic number.

21321333102211 is a deficient number, since it is larger than the sum of its proper divisors (687891730813).

21321333102211 is a wasteful number, since it uses less digits than its factorization.

21321333102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337281.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 21321333102211 its reverse (11220133312312), we get a palindrome (32541466414523).

The spelling of 21321333102211 in words is "twenty-one trillion, three hundred twenty-one billion, three hundred thirty-three million, one hundred two thousand, two hundred eleven".