12211121102071 has 2 divisors, whose sum is σ = 12211121102072. Its totient is φ = 12211121102070.

The previous prime is 12211121102069. The next prime is 12211121102129. The reversal of 12211121102071 is 17020112111221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12211121102071 - 2¹ = 12211121102069 is a prime.

It is a super-2 number, since 2×12211121102071² (a number of 27 digits) contains 22 as substring.

Together with 12211121102069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211121102051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105560551035 + 6105560551036.

It is an arithmetic number, because the mean of its divisors is an integer number (6105560551036).

Almost surely, 2^{12211121102071} is an apocalyptic number.

12211121102071 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211121102071 is an equidigital number, since it uses as much as digits as its factorization.

12211121102071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 12211121102071 its reverse (17020112111221), we get a palindrome (29231233213292).

The spelling of 12211121102071 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-one million, one hundred two thousand, seventy-one".