20111332302071 has 2 divisors, whose sum is σ = 20111332302072. Its totient is φ = 20111332302070.

The previous prime is 20111332301987. The next prime is 20111332302133. The reversal of 20111332302071 is 17020323311102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20111332302071 - 2³⁰ = 20110258560247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20111332302071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20111332302571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055666151035 + 10055666151036.

It is an arithmetic number, because the mean of its divisors is an integer number (10055666151036).

Almost surely, 2^{20111332302071} is an apocalyptic number.

20111332302071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20111332302071 is an equidigital number, since it uses as much as digits as its factorization.

20111332302071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 20111332302071 its reverse (17020323311102), we get a palindrome (37131655613173).

The spelling of 20111332302071 in words is "twenty trillion, one hundred eleven billion, three hundred thirty-two million, three hundred two thousand, seventy-one".