100421223600 has 240 divisors, whose sum is σ = 345276106272. Its totient is φ = 24858132480.

The previous prime is 100421223571. The next prime is 100421223647. The reversal of 100421223600 is 6322124001.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1455484 + ... + 1522916.

Almost surely, 2^100421223600 is an apocalyptic number.

100421223600 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 100421223600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172638053136).

100421223600 is an abundant number, since it is smaller than the sum of its proper divisors (244854882672).

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

100421223600 is a wasteful number, since it uses less digits than its factorization.

100421223600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67544 (or 67533 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 100421223600 its reverse (6322124001), we get a palindrome (106743347601).

The spelling of 100421223600 in words is "one hundred billion, four hundred twenty-one million, two hundred twenty-three thousand, six hundred".