21322114404211 has 16 divisors (see below), whose sum is σ = 22462840350720. Its totient is φ = 20199354199200.

The previous prime is 21322114404203. The next prime is 21322114404223. The reversal of 21322114404211 is 11240441122312.

It is a cyclic number.

It is not a de Polignac number, because 21322114404211 - 2³ = 21322114404203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21322114404211.

It is not an unprimeable number, because it can be changed into a prime (21322114404011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4085146 + ... + 7702768.

It is an arithmetic number, because the mean of its divisors is an integer number (1403927521920).

Almost surely, 2^{21322114404211} is an apocalyptic number.

21322114404211 is a deficient number, since it is larger than the sum of its proper divisors (1140725946509).

21322114404211 is a wasteful number, since it uses less digits than its factorization.

21322114404211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620106.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 21322114404211 its reverse (11240441122312), we get a palindrome (32562555526523).

The spelling of 21322114404211 in words is "twenty-one trillion, three hundred twenty-two billion, one hundred fourteen million, four hundred four thousand, two hundred eleven".