20112212202011 has 2 divisors, whose sum is σ = 20112212202012. Its totient is φ = 20112212202010.

The previous prime is 20112212202001. The next prime is 20112212202031. The reversal of 20112212202011 is 11020221221102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20112212202011 - 2¹⁴ = 20112212185627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20112212202001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056106101005 + 10056106101006.

It is an arithmetic number, because the mean of its divisors is an integer number (10056106101006).

Almost surely, 2^{20112212202011} is an apocalyptic number.

20112212202011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112212202011 is an equidigital number, since it uses as much as digits as its factorization.

20112212202011 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 20112212202011 its reverse (11020221221102), we get a palindrome (31132433423113).

The spelling of 20112212202011 in words is "twenty trillion, one hundred twelve billion, two hundred twelve million, two hundred two thousand, eleven".