101056789635821 has 8 divisors (see below), whose sum is σ = 105985845149184. Its totient is φ = 96172340960080.

The previous prime is 101056789635799. The next prime is 101056789635833. The reversal of 101056789635821 is 128536987650101.

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

It is a cyclic number.

It is not a de Polignac number, because 101056789635821 - 2²² = 101056785441517 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 (101056789635881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11151704765 + ... + 11151713826.

It is an arithmetic number, because the mean of its divisors is an integer number (13248230643648).

Almost surely, 2^{101056789635821} is an apocalyptic number.

It is an amenable number.

101056789635821 is a deficient number, since it is larger than the sum of its proper divisors (4929055513363).

101056789635821 is a wasteful number, since it uses less digits than its factorization.

101056789635821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22303418811.

The product of its (nonzero) digits is 21772800, while the sum is 62.

The spelling of 101056789635821 in words is "one hundred one trillion, fifty-six billion, seven hundred eighty-nine million, six hundred thirty-five thousand, eight hundred twenty-one".