100421100332 has 96 divisors (see below), whose sum is σ = 209018880000. Its totient is φ = 41323307328.

The previous prime is 100421100313. The next prime is 100421100337. The reversal of 100421100332 is 233001124001.

It is a super-2 number, since 2×100421100332² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100421100332.

It is not an unprimeable number, because it can be changed into a prime (100421100337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50234669 + ... + 50236667.

It is an arithmetic number, because the mean of its divisors is an integer number (2177280000).

Almost surely, 2^100421100332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100421100332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104509440000).

100421100332 is an abundant number, since it is smaller than the sum of its proper divisors (108597779668).

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

100421100332 is a wasteful number, since it uses less digits than its factorization.

100421100332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763 (or 2761 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100421100332 its reverse (233001124001), we get a palindrome (333422224333).

The spelling of 100421100332 in words is "one hundred billion, four hundred twenty-one million, one hundred thousand, three hundred thirty-two".