101720885929 has 8 divisors (see below), whose sum is σ = 110932223360. Its totient is φ = 92707641936.

The previous prime is 101720885923. The next prime is 101720885963. The reversal of 101720885929 is 929588027101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101720885929 - 2¹³ = 101720877737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101720885923) 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 in 7 ways as a sum of consecutive naturals, for example, 49522287 + ... + 49524340.

It is an arithmetic number, because the mean of its divisors is an integer number (13866527920).

Almost surely, 2^101720885929 is an apocalyptic number.

It is an amenable number.

101720885929 is a deficient number, since it is larger than the sum of its proper divisors (9211337431).

101720885929 is an equidigital number, since it uses as much as digits as its factorization.

101720885929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99046719.

The product of its (nonzero) digits is 725760, while the sum is 52.

The spelling of 101720885929 in words is "one hundred one billion, seven hundred twenty million, eight hundred eighty-five thousand, nine hundred twenty-nine".