101781871067 has 2 divisors, whose sum is σ = 101781871068. Its totient is φ = 101781871066.

The previous prime is 101781871013. The next prime is 101781871123. The reversal of 101781871067 is 760178187101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101781871067 - 2³⁰ = 100708129243 is a prime.

It is not a weakly prime, because it can be changed into another prime (101789871067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50890935533 + 50890935534.

It is an arithmetic number, because the mean of its divisors is an integer number (50890935534).

Almost surely, 2^101781871067 is an apocalyptic number.

101781871067 is a deficient number, since it is larger than the sum of its proper divisors (1).

101781871067 is an equidigital number, since it uses as much as digits as its factorization.

101781871067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131712, while the sum is 47.

The spelling of 101781871067 in words is "one hundred one billion, seven hundred eighty-one million, eight hundred seventy-one thousand, sixty-seven".