100003421112 has 128 divisors (see below), whose sum is σ = 294634368000. Its totient is φ = 27690624000.

The previous prime is 100003421081. The next prime is 100003421129. The reversal of 100003421112 is 211124300001.

It is a junction number, because it is equal to n+sod(n) for n = 100003421091 and 100003421100.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 992014 + ... + 1088162.

It is an arithmetic number, because the mean of its divisors is an integer number (2301831000).

Almost surely, 2^100003421112 is an apocalyptic number.

100003421112 is a gapful number since it is divisible by the number (12) 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 100003421112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147317184000).

100003421112 is an abundant number, since it is smaller than the sum of its proper divisors (194630946888).

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

100003421112 is a wasteful number, since it uses less digits than its factorization.

100003421112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96357 (or 96353 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 100003421112 its reverse (211124300001), we get a palindrome (311127721113).

The spelling of 100003421112 in words is "one hundred billion, three million, four hundred twenty-one thousand, one hundred twelve".