12212211021071 has 2 divisors, whose sum is σ = 12212211021072. Its totient is φ = 12212211021070.

The previous prime is 12212211021029. The next prime is 12212211021103. The reversal of 12212211021071 is 17012011221221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12212211021071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12212211021001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106105510535 + 6106105510536.

It is an arithmetic number, because the mean of its divisors is an integer number (6106105510536).

Almost surely, 2^{12212211021071} is an apocalyptic number.

12212211021071 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212211021071 is an equidigital number, since it uses as much as digits as its factorization.

12212211021071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 12212211021071 its reverse (17012011221221), we get a palindrome (29224222242292).

The spelling of 12212211021071 in words is "twelve trillion, two hundred twelve billion, two hundred eleven million, twenty-one thousand, seventy-one".