22021321322911 has 2 divisors, whose sum is σ = 22021321322912. Its totient is φ = 22021321322910.

The previous prime is 22021321322843. The next prime is 22021321322939. The reversal of 22021321322911 is 11922312312022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22021321322911 - 2²³ = 22021312934303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22021321325911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010660661455 + 11010660661456.

It is an arithmetic number, because the mean of its divisors is an integer number (11010660661456).

Almost surely, 2^{22021321322911} is an apocalyptic number.

22021321322911 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021321322911 is an equidigital number, since it uses as much as digits as its factorization.

22021321322911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

Adding to 22021321322911 its reverse (11922312312022), we get a palindrome (33943633634933).

The spelling of 22021321322911 in words is "twenty-two trillion, twenty-one billion, three hundred twenty-one million, three hundred twenty-two thousand, nine hundred eleven".