20222002021211 has 2 divisors, whose sum is σ = 20222002021212. Its totient is φ = 20222002021210.

The previous prime is 20222002021201. The next prime is 20222002021423. The reversal of 20222002021211 is 11212020022202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20222002021211 - 2⁶ = 20222002021147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20222002021211.

It is not a weakly prime, because it can be changed into another prime (20222002021201) 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, 10111001010605 + 10111001010606.

It is an arithmetic number, because the mean of its divisors is an integer number (10111001010606).

Almost surely, 2^{20222002021211} is an apocalyptic number.

20222002021211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222002021211 is an equidigital number, since it uses as much as digits as its factorization.

20222002021211 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 17.

Adding to 20222002021211 its reverse (11212020022202), we get a palindrome (31434022043413).

The spelling of 20222002021211 in words is "twenty trillion, two hundred twenty-two billion, two million, twenty-one thousand, two hundred eleven".