2021001222223 has 2 divisors, whose sum is σ = 2021001222224. Its totient is φ = 2021001222222.

The previous prime is 2021001222221. The next prime is 2021001222283. The reversal of 2021001222223 is 3222221001202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021001222223 - 2¹ = 2021001222221 is a prime.

Together with 2021001222221, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2021001222223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021001222221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010500611111 + 1010500611112.

It is an arithmetic number, because the mean of its divisors is an integer number (1010500611112).

Almost surely, 2^{2021001222223} is an apocalyptic number.

2021001222223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021001222223 is an equidigital number, since it uses as much as digits as its factorization.

2021001222223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 2021001222223 its reverse (3222221001202), we get a palindrome (5243222223425).

The spelling of 2021001222223 in words is "two trillion, twenty-one billion, one million, two hundred twenty-two thousand, two hundred twenty-three".