11311220000001 has 32 divisors (see below), whose sum is σ = 16342288427520. Its totient is φ = 6931276095744.

The previous prime is 11311219999997. The next prime is 11311220000011. The reversal of 11311220000001 is 10000002211311.

It is not a de Polignac number, because 11311220000001 - 2² = 11311219999997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11311220000011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16602610 + ... + 17270468.

It is an arithmetic number, because the mean of its divisors is an integer number (510696513360).

Almost surely, 2^{11311220000001} is an apocalyptic number.

It is an amenable number.

11311220000001 is a deficient number, since it is larger than the sum of its proper divisors (5031068427519).

11311220000001 is a wasteful number, since it uses less digits than its factorization.

11311220000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675645.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11311220000001 its reverse (10000002211311), we get a palindrome (21311222211312).

The spelling of 11311220000001 in words is "eleven trillion, three hundred eleven billion, two hundred twenty million, one", and thus it is an aban number.