1011212120071 has 2 divisors, whose sum is σ = 1011212120072. Its totient is φ = 1011212120070.

The previous prime is 1011212120029. The next prime is 1011212120159. The reversal of 1011212120071 is 1700212121101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011212120071 - 2¹³ = 1011212111879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011212100071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505606060035 + 505606060036.

It is an arithmetic number, because the mean of its divisors is an integer number (505606060036).

Almost surely, 2^{1011212120071} is an apocalyptic number.

1011212120071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011212120071 is an equidigital number, since it uses as much as digits as its factorization.

1011212120071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 1011212120071 its reverse (1700212121101), we get a palindrome (2711424241172).

The spelling of 1011212120071 in words is "one trillion, eleven billion, two hundred twelve million, one hundred twenty thousand, seventy-one".