11201120311 has 4 divisors (see below), whose sum is σ = 11201695632. Its totient is φ = 11200544992.

The previous prime is 11201120257. The next prime is 11201120317. The reversal of 11201120311 is 11302110211.

It is a happy number.

11201120311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11302110211 = 7 ⋅1614587173.

It is a cyclic number.

It is not a de Polignac number, because 11201120311 - 2¹³ = 11201112119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201120291 and 11201120300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201120317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257395 + ... + 297748.

It is an arithmetic number, because the mean of its divisors is an integer number (2800423908).

Almost surely, 2^11201120311 is an apocalyptic number.

11201120311 is a deficient number, since it is larger than the sum of its proper divisors (575321).

11201120311 is an equidigital number, since it uses as much as digits as its factorization.

11201120311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575320.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11201120311 its reverse (11302110211), we get a palindrome (22503230522).

The spelling of 11201120311 in words is "eleven billion, two hundred one million, one hundred twenty thousand, three hundred eleven".