100546421120 has 128 divisors (see below), whose sum is σ = 257030820000. Its totient is φ = 37477580800.

The previous prime is 100546421093. The next prime is 100546421177. The reversal of 100546421120 is 21124645001.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 100546421120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1053131 + ... + 1144629.

Almost surely, 2^100546421120 is an apocalyptic number.

100546421120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100546421120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128515410000).

100546421120 is an abundant number, since it is smaller than the sum of its proper divisors (156484398880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100546421120 is a wasteful number, since it uses less digits than its factorization.

100546421120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91636 (or 91624 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 100546421120 in words is "one hundred billion, five hundred forty-six million, four hundred twenty-one thousand, one hundred twenty".