2012211122071 has 2 divisors, whose sum is σ = 2012211122072. Its totient is φ = 2012211122070.

The previous prime is 2012211122017. The next prime is 2012211122287. The reversal of 2012211122071 is 1702211122102.

Together with previous prime (2012211122017) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012211122071 - 2¹³ = 2012211113879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012211122011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006105561035 + 1006105561036.

It is an arithmetic number, because the mean of its divisors is an integer number (1006105561036).

Almost surely, 2^{2012211122071} is an apocalyptic number.

2012211122071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012211122071 is an equidigital number, since it uses as much as digits as its factorization.

2012211122071 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 22.

Adding to 2012211122071 its reverse (1702211122102), we get a palindrome (3714422244173).

The spelling of 2012211122071 in words is "two trillion, twelve billion, two hundred eleven million, one hundred twenty-two thousand, seventy-one".