101128847821 has 48 divisors (see below), whose sum is σ = 112162579200. Its totient is φ = 90885132800.

The previous prime is 101128847791. The next prime is 101128847837. The reversal of 101128847821 is 128748821101.

It is not a de Polignac number, because 101128847821 - 2⁷ = 101128847693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101128847861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 605561880 + ... + 605562046.

It is an arithmetic number, because the mean of its divisors is an integer number (2336720400).

Almost surely, 2^101128847821 is an apocalyptic number.

It is an amenable number.

101128847821 is a deficient number, since it is larger than the sum of its proper divisors (11033731379).

101128847821 is a wasteful number, since it uses less digits than its factorization.

101128847821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 43.

The spelling of 101128847821 in words is "one hundred one billion, one hundred twenty-eight million, eight hundred forty-seven thousand, eight hundred twenty-one".