1016105121011 has 2 divisors, whose sum is σ = 1016105121012. Its totient is φ = 1016105121010.

The previous prime is 1016105120969. The next prime is 1016105121047. The reversal of 1016105121011 is 1101215016101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1016105121011 - 2³⁸ = 741227214067 is a prime.

It is not a weakly prime, because it can be changed into another prime (1016105121071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508052560505 + 508052560506.

It is an arithmetic number, because the mean of its divisors is an integer number (508052560506).

Almost surely, 2^{1016105121011} is an apocalyptic number.

1016105121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016105121011 is an equidigital number, since it uses as much as digits as its factorization.

1016105121011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 20.

The spelling of 1016105121011 in words is "one trillion, sixteen billion, one hundred five million, one hundred twenty-one thousand, eleven".