22016432316121 has 2 divisors, whose sum is σ = 22016432316122. Its totient is φ = 22016432316120.

The previous prime is 22016432316101. The next prime is 22016432316187. The reversal of 22016432316121 is 12161323461022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19160886609225 + 2855545706896 = 4377315^2 + 1689836^2 .

It is a cyclic number.

It is not a de Polignac number, because 22016432316121 - 2⁹ = 22016432315609 is a prime.

It is not a weakly prime, because it can be changed into another prime (22016432316101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11008216158060 + 11008216158061.

It is an arithmetic number, because the mean of its divisors is an integer number (11008216158061).

Almost surely, 2^{22016432316121} is an apocalyptic number.

It is an amenable number.

22016432316121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22016432316121 is an equidigital number, since it uses as much as digits as its factorization.

22016432316121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

Adding to 22016432316121 its reverse (12161323461022), we get a palindrome (34177755777143).

The spelling of 22016432316121 in words is "twenty-two trillion, sixteen billion, four hundred thirty-two million, three hundred sixteen thousand, one hundred twenty-one".