20212212111011 has 2 divisors, whose sum is σ = 20212212111012. Its totient is φ = 20212212111010.

The previous prime is 20212212110947. The next prime is 20212212111031. The reversal of 20212212111011 is 11011121221202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20212212111011 - 2⁶ = 20212212110947 is a prime.

It is not a weakly prime, because it can be changed into another prime (20212212111031) 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, 10106106055505 + 10106106055506.

It is an arithmetic number, because the mean of its divisors is an integer number (10106106055506).

Almost surely, 2^{20212212111011} is an apocalyptic number.

20212212111011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212212111011 is an equidigital number, since it uses as much as digits as its factorization.

20212212111011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 20212212111011 its reverse (11011121221202), we get a palindrome (31223333332213).

The spelling of 20212212111011 in words is "twenty trillion, two hundred twelve billion, two hundred twelve million, one hundred eleven thousand, eleven".