100021320332 has 12 divisors (see below), whose sum is σ = 175162436400. Its totient is φ = 49974909936.

The previous prime is 100021320317. The next prime is 100021320391. The reversal of 100021320332 is 233023120001.

It is a self number, because there is not a number n which added to its sum of digits gives 100021320332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8931263 + ... + 8942454.

It is an arithmetic number, because the mean of its divisors is an integer number (14596869700).

Almost surely, 2^100021320332 is an apocalyptic number.

It is an amenable number.

100021320332 is a deficient number, since it is larger than the sum of its proper divisors (75141116068).

100021320332 is a wasteful number, since it uses less digits than its factorization.

100021320332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17875120 (or 17875118 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 100021320332 its reverse (233023120001), we get a palindrome (333044440333).

The spelling of 100021320332 in words is "one hundred billion, twenty-one million, three hundred twenty thousand, three hundred thirty-two".