20022220120211 has 2 divisors, whose sum is σ = 20022220120212. Its totient is φ = 20022220120210.

The previous prime is 20022220120169. The next prime is 20022220120219. The reversal of 20022220120211 is 11202102222002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20022220120211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20022220120211.

It is not a weakly prime, because it can be changed into another prime (20022220120219) 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, 10011110060105 + 10011110060106.

It is an arithmetic number, because the mean of its divisors is an integer number (10011110060106).

Almost surely, 2^{20022220120211} is an apocalyptic number.

20022220120211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022220120211 is an equidigital number, since it uses as much as digits as its factorization.

20022220120211 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 20022220120211 its reverse (11202102222002), we get a palindrome (31224322342213).

The spelling of 20022220120211 in words is "twenty trillion, twenty-two billion, two hundred twenty million, one hundred twenty thousand, two hundred eleven".