100021002032 has 20 divisors (see below), whose sum is σ = 221475076176. Its totient is φ = 42866143680.

The previous prime is 100021002031. The next prime is 100021002061. The reversal of 100021002032 is 230200120001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100021002031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446522219 + ... + 446522442.

Almost surely, 2^100021002032 is an apocalyptic number.

It is an amenable number.

100021002032 is an abundant number, since it is smaller than the sum of its proper divisors (121454074144).

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

100021002032 is an equidigital number, since it uses as much as digits as its factorization.

100021002032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893044676 (or 893044670 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 100021002032 its reverse (230200120001), we get a palindrome (330221122033).

The spelling of 100021002032 in words is "one hundred billion, twenty-one million, two thousand, thirty-two".