1016105121071 has 2 divisors, whose sum is σ = 1016105121072. Its totient is φ = 1016105121070.

The previous prime is 1016105121047. The next prime is 1016105121107. The reversal of 1016105121071 is 1701215016101.

Together with next prime (1016105121107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (1701215016101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1016105121071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1016105121071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1016105121011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508052560535 + 508052560536.

It is an arithmetic number, because the mean of its divisors is an integer number (508052560536).

Almost surely, 2^{1016105121071} is an apocalyptic number.

1016105121071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016105121071 is an equidigital number, since it uses as much as digits as its factorization.

1016105121071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 26.

The spelling of 1016105121071 in words is "one trillion, sixteen billion, one hundred five million, one hundred twenty-one thousand, seventy-one".