202220121201211 has 2 divisors, whose sum is σ = 202220121201212. Its totient is φ = 202220121201210.

The previous prime is 202220121201209. The next prime is 202220121201221. The reversal of 202220121201211 is 112102121022202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202220121201211 - 2¹ = 202220121201209 is a prime.

Together with 202220121201209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (202220121201221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110060600605 + 101110060600606.

It is an arithmetic number, because the mean of its divisors is an integer number (101110060600606).

Almost surely, 2^{202220121201211} is an apocalyptic number.

202220121201211 is a deficient number, since it is larger than the sum of its proper divisors (1).

202220121201211 is an equidigital number, since it uses as much as digits as its factorization.

202220121201211 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 202220121201211 its reverse (112102121022202), we get a palindrome (314322242223413).

The spelling of 202220121201211 in words is "two hundred two trillion, two hundred twenty billion, one hundred twenty-one million, two hundred one thousand, two hundred eleven".