20112122200211 has 2 divisors, whose sum is σ = 20112122200212. Its totient is φ = 20112122200210.

The previous prime is 20112122200199. The next prime is 20112122200213. The reversal of 20112122200211 is 11200222121102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20112122200211 - 2⁶ = 20112122200147 is a prime.

Together with 20112122200213, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20112122200211.

It is not a weakly prime, because it can be changed into another prime (20112122200213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056061100105 + 10056061100106.

It is an arithmetic number, because the mean of its divisors is an integer number (10056061100106).

Almost surely, 2^{20112122200211} is an apocalyptic number.

20112122200211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112122200211 is an equidigital number, since it uses as much as digits as its factorization.

20112122200211 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 20112122200211 its reverse (11200222121102), we get a palindrome (31312344321313).

The spelling of 20112122200211 in words is "twenty trillion, one hundred twelve billion, one hundred twenty-two million, two hundred thousand, two hundred eleven".