2022002102221 has 2 divisors, whose sum is σ = 2022002102222. Its totient is φ = 2022002102220.

The previous prime is 2022002102207. The next prime is 2022002102251. The reversal of 2022002102221 is 1222012002202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1463785416900 + 558216685321 = 1209870^2 + 747139^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022002102221 - 2¹⁹ = 2022001577933 is a prime.

It is a super-2 number, since 2×2022002102221² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2022002102195 and 2022002102204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022002102251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011001051110 + 1011001051111.

It is an arithmetic number, because the mean of its divisors is an integer number (1011001051111).

Almost surely, 2^{2022002102221} is an apocalyptic number.

It is an amenable number.

2022002102221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022002102221 is an equidigital number, since it uses as much as digits as its factorization.

2022002102221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2022002102221 its reverse (1222012002202), we get a palindrome (3244014104423).

The spelling of 2022002102221 in words is "two trillion, twenty-two billion, two million, one hundred two thousand, two hundred twenty-one".