100002200021 has 4 divisors (see below), whose sum is σ = 100030113792. Its totient is φ = 99974286252.

The previous prime is 100002200017. The next prime is 100002200029. The reversal of 100002200021 is 120002200001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100002200021 - 2² = 100002200017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100002199981 and 100002200008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100002200029) by changing a digit.

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, 13951511 + ... + 13958676.

It is an arithmetic number, because the mean of its divisors is an integer number (25007528448).

Almost surely, 2^100002200021 is an apocalyptic number.

It is an amenable number.

100002200021 is a deficient number, since it is larger than the sum of its proper divisors (27913771).

100002200021 is an equidigital number, since it uses as much as digits as its factorization.

100002200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27913770.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 100002200021 its reverse (120002200001), we get a palindrome (220004400022).

The spelling of 100002200021 in words is "one hundred billion, two million, two hundred thousand, twenty-one".