100221301232 has 80 divisors (see below), whose sum is σ = 220674105120. Its totient is φ = 43711488000.

The previous prime is 100221301207. The next prime is 100221301241. The reversal of 100221301232 is 232103122001.

It is a self number, because there is not a number n which added to its sum of digits gives 100221301232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1553132 + ... + 1616372.

It is an arithmetic number, because the mean of its divisors is an integer number (2758426314).

Almost surely, 2^100221301232 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 100221301232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110337052560).

100221301232 is an abundant number, since it is smaller than the sum of its proper divisors (120452803888).

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

100221301232 is a wasteful number, since it uses less digits than its factorization.

100221301232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63682 (or 63676 counting only the distinct ones).

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

Adding to 100221301232 its reverse (232103122001), we get a palindrome (332324423233).

The spelling of 100221301232 in words is "one hundred billion, two hundred twenty-one million, three hundred one thousand, two hundred thirty-two".