11222120232311 has 16 divisors (see below), whose sum is σ = 11423630423808. Its totient is φ = 11021897241600.

The previous prime is 11222120232293. The next prime is 11222120232317. The reversal of 11222120232311 is 11323202122211.

It is a cyclic number.

It is not a de Polignac number, because 11222120232311 - 2³⁸ = 10947242325367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222120232317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19340855 + ... + 19912631.

It is an arithmetic number, because the mean of its divisors is an integer number (713976901488).

Almost surely, 2^{11222120232311} is an apocalyptic number.

11222120232311 is a deficient number, since it is larger than the sum of its proper divisors (201510191497).

11222120232311 is an equidigital number, since it uses as much as digits as its factorization.

11222120232311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572902.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 11222120232311 its reverse (11323202122211), we get a palindrome (22545322354522).

The spelling of 11222120232311 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty million, two hundred thirty-two thousand, three hundred eleven".