20116232122771 has 2 divisors, whose sum is σ = 20116232122772. Its totient is φ = 20116232122770.

The previous prime is 20116232122661. The next prime is 20116232122783. The reversal of 20116232122771 is 17722123261102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20116232122771 - 2¹⁹ = 20116231598483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20116232122771.

It is not a weakly prime, because it can be changed into another prime (20116232122471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10058116061385 + 10058116061386.

It is an arithmetic number, because the mean of its divisors is an integer number (10058116061386).

Almost surely, 2^{20116232122771} is an apocalyptic number.

20116232122771 is a deficient number, since it is larger than the sum of its proper divisors (1).

20116232122771 is an equidigital number, since it uses as much as digits as its factorization.

20116232122771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

Adding to 20116232122771 its reverse (17722123261102), we get a palindrome (37838355383873).

The spelling of 20116232122771 in words is "twenty trillion, one hundred sixteen billion, two hundred thirty-two million, one hundred twenty-two thousand, seven hundred seventy-one".