20122000212211 has 2 divisors, whose sum is σ = 20122000212212. Its totient is φ = 20122000212210.

The previous prime is 20122000212101. The next prime is 20122000212227. The reversal of 20122000212211 is 11221200022102.

It is a happy number.

It is an a-pointer prime, because the next prime (20122000212227) can be obtained adding 20122000212211 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20122000212211 is a prime.

It is not a weakly prime, because it can be changed into another prime (20122000212911) 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, 10061000106105 + 10061000106106.

It is an arithmetic number, because the mean of its divisors is an integer number (10061000106106).

Almost surely, 2^{20122000212211} is an apocalyptic number.

20122000212211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122000212211 is an equidigital number, since it uses as much as digits as its factorization.

20122000212211 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 16.

Adding to 20122000212211 its reverse (11221200022102), we get a palindrome (31343200234313).

The spelling of 20122000212211 in words is "twenty trillion, one hundred twenty-two billion, two hundred twelve thousand, two hundred eleven".