20202212211211 has 2 divisors, whose sum is σ = 20202212211212. Its totient is φ = 20202212211210.

The previous prime is 20202212211193. The next prime is 20202212211227. The reversal of 20202212211211 is 11211221220202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20202212211211 - 2⁹ = 20202212210699 is a prime.

It is a super-3 number, since 3×20202212211211³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20202212221211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101106105605 + 10101106105606.

It is an arithmetic number, because the mean of its divisors is an integer number (10101106105606).

Almost surely, 2^{20202212211211} is an apocalyptic number.

20202212211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202212211211 is an equidigital number, since it uses as much as digits as its factorization.

20202212211211 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 19.

Adding to 20202212211211 its reverse (11211221220202), we get a palindrome (31413433431413).

The spelling of 20202212211211 in words is "twenty trillion, two hundred two billion, two hundred twelve million, two hundred eleven thousand, two hundred eleven".