100322220221 has 16 divisors (see below), whose sum is σ = 103481376768. Its totient is φ = 97221081600.

The previous prime is 100322220211. The next prime is 100322220223. The reversal of 100322220221 is 122022223001.

It is a cyclic number.

It is not a de Polignac number, because 100322220221 - 2¹⁰ = 100322219197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100322220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100322220223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1281476 + ... + 1357506.

It is an arithmetic number, because the mean of its divisors is an integer number (6467586048).

Almost surely, 2^100322220221 is an apocalyptic number.

It is an amenable number.

100322220221 is a deficient number, since it is larger than the sum of its proper divisors (3159156547).

100322220221 is an equidigital number, since it uses as much as digits as its factorization.

100322220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76412.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 100322220221 its reverse (122022223001), we get a palindrome (222344443222).

The spelling of 100322220221 in words is "one hundred billion, three hundred twenty-two million, two hundred twenty thousand, two hundred twenty-one".