10000222021021 has 2 divisors, whose sum is σ = 10000222021022. Its totient is φ = 10000222021020.

The previous prime is 10000222021001. The next prime is 10000222021253. The reversal of 10000222021021 is 12012022200001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5720640269796 + 4279581751225 = 2391786^2 + 2068715^2 .

It is a cyclic number.

It is not a de Polignac number, because 10000222021021 - 2²⁵ = 10000188466589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10000222020992 and 10000222021010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000222021001) 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 as a sum of consecutive naturals, namely, 5000111010510 + 5000111010511.

It is an arithmetic number, because the mean of its divisors is an integer number (5000111010511).

Almost surely, 2^{10000222021021} is an apocalyptic number.

It is an amenable number.

10000222021021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000222021021 is an equidigital number, since it uses as much as digits as its factorization.

10000222021021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10000222021021 its reverse (12012022200001), we get a palindrome (22012244221022).

The spelling of 10000222021021 in words is "ten trillion, two hundred twenty-two million, twenty-one thousand, twenty-one".