71023320212111 has 2 divisors, whose sum is σ = 71023320212112. Its totient is φ = 71023320212110.

The previous prime is 71023320212107. The next prime is 71023320212171. The reversal of 71023320212111 is 11121202332017.

It is a weak prime.

It is an emirp because it is prime and its reverse (11121202332017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71023320212111 - 2² = 71023320212107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71023320212171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35511660106055 + 35511660106056.

It is an arithmetic number, because the mean of its divisors is an integer number (35511660106056).

Almost surely, 2^{71023320212111} is an apocalyptic number.

71023320212111 is a deficient number, since it is larger than the sum of its proper divisors (1).

71023320212111 is an equidigital number, since it uses as much as digits as its factorization.

71023320212111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 71023320212111 its reverse (11121202332017), we get a palindrome (82144522544128).

The spelling of 71023320212111 in words is "seventy-one trillion, twenty-three billion, three hundred twenty million, two hundred twelve thousand, one hundred eleven".