11201211212011 has 2 divisors, whose sum is σ = 11201211212012. Its totient is φ = 11201211212010.

The previous prime is 11201211211979. The next prime is 11201211212057. The reversal of 11201211212011 is 11021211210211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11201211212011 - 2⁵ = 11201211211979 is a prime.

It is not a weakly prime, because it can be changed into another prime (11201211222011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600605606005 + 5600605606006.

It is an arithmetic number, because the mean of its divisors is an integer number (5600605606006).

Almost surely, 2^{11201211212011} is an apocalyptic number.

11201211212011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201211212011 is an equidigital number, since it uses as much as digits as its factorization.

11201211212011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11201211212011 its reverse (11021211210211), we get a palindrome (22222422422222).

The spelling of 11201211212011 in words is "eleven trillion, two hundred one billion, two hundred eleven million, two hundred twelve thousand, eleven".