2021100002223 has 4 divisors (see below), whose sum is σ = 2694800002968. Its totient is φ = 1347400001480.

The previous prime is 2021100002203. The next prime is 2021100002237. The reversal of 2021100002223 is 3222000011202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2021100002223 - 2¹⁰ = 2021100001199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021100002203) 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, 336850000368 + ... + 336850000373.

It is an arithmetic number, because the mean of its divisors is an integer number (673700000742).

Almost surely, 2^{2021100002223} is an apocalyptic number.

2021100002223 is a deficient number, since it is larger than the sum of its proper divisors (673700000745).

2021100002223 is an equidigital number, since it uses as much as digits as its factorization.

2021100002223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673700000744.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2021100002223 its reverse (3222000011202), we get a palindrome (5243100013425).

The spelling of 2021100002223 in words is "two trillion, twenty-one billion, one hundred million, two thousand, two hundred twenty-three".