2000202212221 has 2 divisors, whose sum is σ = 2000202212222. Its totient is φ = 2000202212220.

The previous prime is 2000202212171. The next prime is 2000202212243. The reversal of 2000202212221 is 1222122020002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1986281516025 + 13920696196 = 1409355^2 + 117986^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000202212221 - 2¹¹ = 2000202210173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2000202212195 and 2000202212204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000292212221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000101106110 + 1000101106111.

It is an arithmetic number, because the mean of its divisors is an integer number (1000101106111).

Almost surely, 2^{2000202212221} is an apocalyptic number.

It is an amenable number.

2000202212221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000202212221 is an equidigital number, since it uses as much as digits as its factorization.

2000202212221 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 2000202212221 its reverse (1222122020002), we get a palindrome (3222324232223).

The spelling of 2000202212221 in words is "two trillion, two hundred two million, two hundred twelve thousand, two hundred twenty-one".