100021332200321 has 16 divisors (see below), whose sum is σ = 120960099422208. Its totient is φ = 80850066435600.

The previous prime is 100021332200269. The next prime is 100021332200351. The reversal of 100021332200321 is 123002233120001.

It is a de Polignac number, because none of the positive numbers 2^k-100021332200321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100021332200293 and 100021332200302.

It is not an unprimeable number, because it can be changed into a prime (100021332200351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4374992165 + ... + 4375015026.

It is an arithmetic number, because the mean of its divisors is an integer number (7560006213888).

Almost surely, 2^{100021332200321} is an apocalyptic number.

It is an amenable number.

100021332200321 is a deficient number, since it is larger than the sum of its proper divisors (20938767221887).

100021332200321 is an equidigital number, since it uses as much as digits as its factorization.

100021332200321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8750007292.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 100021332200321 its reverse (123002233120001), we get a palindrome (223023565320322).

The spelling of 100021332200321 in words is "one hundred trillion, twenty-one billion, three hundred thirty-two million, two hundred thousand, three hundred twenty-one".