21302022331211 has 4 divisors (see below), whose sum is σ = 21391152132000. Its totient is φ = 21212892530424.

The previous prime is 21302022331199. The next prime is 21302022331237. The reversal of 21302022331211 is 11213322020312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21302022331211 - 2²² = 21302018136907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21302022321211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44564900036 + ... + 44564900513.

It is an arithmetic number, because the mean of its divisors is an integer number (5347788033000).

Almost surely, 2^{21302022331211} is an apocalyptic number.

21302022331211 is a deficient number, since it is larger than the sum of its proper divisors (89129800789).

21302022331211 is an equidigital number, since it uses as much as digits as its factorization.

21302022331211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89129800788.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21302022331211 its reverse (11213322020312), we get a palindrome (32515344351523).

The spelling of 21302022331211 in words is "twenty-one trillion, three hundred two billion, twenty-two million, three hundred thirty-one thousand, two hundred eleven".