12011011220011 has 16 divisors (see below), whose sum is σ = 12724809431040. Its totient is φ = 11323565248320.

The previous prime is 12011011219913. The next prime is 12011011220027. The reversal of 12011011220011 is 11002211011021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12011011220011 - 2⁹ = 12011011219499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011011219973 and 12011011220000.

It is not an unprimeable number, because it can be changed into a prime (12011011220041) 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 in 15 ways as a sum of consecutive naturals, for example, 39297201 + ... + 39601666.

It is an arithmetic number, because the mean of its divisors is an integer number (795300589440).

Almost surely, 2^{12011011220011} is an apocalyptic number.

12011011220011 is a deficient number, since it is larger than the sum of its proper divisors (713798211029).

12011011220011 is an equidigital number, since it uses as much as digits as its factorization.

12011011220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78899034.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12011011220011 its reverse (11002211011021), we get a palindrome (23013222231032).

The spelling of 12011011220011 in words is "twelve trillion, eleven billion, eleven million, two hundred twenty thousand, eleven".