20222021110211 has 2 divisors, whose sum is σ = 20222021110212. Its totient is φ = 20222021110210.

The previous prime is 20222021110177. The next prime is 20222021110253. The reversal of 20222021110211 is 11201112022202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20222021110211 - 2¹⁸ = 20222020848067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20222021110211.

It is not a weakly prime, because it can be changed into another prime (20222021110261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111010555105 + 10111010555106.

It is an arithmetic number, because the mean of its divisors is an integer number (10111010555106).

Almost surely, 2^{20222021110211} is an apocalyptic number.

20222021110211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222021110211 is an equidigital number, since it uses as much as digits as its factorization.

20222021110211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20222021110211 its reverse (11201112022202), we get a palindrome (31423133132413).

The spelling of 20222021110211 in words is "twenty trillion, two hundred twenty-two billion, twenty-one million, one hundred ten thousand, two hundred eleven".