21322000021211 has 4 divisors (see below), whose sum is σ = 21326962092072. Its totient is φ = 21317037950352.

The previous prime is 21322000021177. The next prime is 21322000021241. The reversal of 21322000021211 is 11212000022312.

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 21322000021211 - 2³⁸ = 21047122114267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21322000021211.

It is not an unprimeable number, because it can be changed into a prime (21322000021241) 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, 2481028985 + ... + 2481037578.

It is an arithmetic number, because the mean of its divisors is an integer number (5331740523018).

Almost surely, 2^{21322000021211} is an apocalyptic number.

21322000021211 is a deficient number, since it is larger than the sum of its proper divisors (4962070861).

21322000021211 is an equidigital number, since it uses as much as digits as its factorization.

21322000021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4962070860.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21322000021211 its reverse (11212000022312), we get a palindrome (32534000043523).

The spelling of 21322000021211 in words is "twenty-one trillion, three hundred twenty-two billion, twenty-one thousand, two hundred eleven".