104443021100 has 72 divisors (see below), whose sum is σ = 248540092416. Its totient is φ = 37780360000.

The previous prime is 104443021097. The next prime is 104443021117. The reversal of 104443021100 is 1120344401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38456 + ... + 458655.

It is an arithmetic number, because the mean of its divisors is an integer number (3451945728).

Almost surely, 2^104443021100 is an apocalyptic number.

104443021100 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 104443021100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124270046208).

104443021100 is an abundant number, since it is smaller than the sum of its proper divisors (144097071316).

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

104443021100 is a wasteful number, since it uses less digits than its factorization.

104443021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497327 (or 497320 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 104443021100 its reverse (1120344401), we get a palindrome (105563365501).

The spelling of 104443021100 in words is "one hundred four billion, four hundred forty-three million, twenty-one thousand, one hundred".