21222364052411 has 2 divisors, whose sum is σ = 21222364052412. Its totient is φ = 21222364052410.

The previous prime is 21222364052389. The next prime is 21222364052441. The reversal of 21222364052411 is 11425046322212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21222364052411 - 2³⁰ = 21221290310587 is a prime.

It is not a weakly prime, because it can be changed into another prime (21222364052441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10611182026205 + 10611182026206.

It is an arithmetic number, because the mean of its divisors is an integer number (10611182026206).

Almost surely, 2^{21222364052411} is an apocalyptic number.

21222364052411 is a deficient number, since it is larger than the sum of its proper divisors (1).

21222364052411 is an equidigital number, since it uses as much as digits as its factorization.

21222364052411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 21222364052411 in words is "twenty-one trillion, two hundred twenty-two billion, three hundred sixty-four million, fifty-two thousand, four hundred eleven".