11121333311 has 32 divisors (see below), whose sum is σ = 12568697856. Its totient is φ = 9753840000.

The previous prime is 11121333299. The next prime is 11121333323. The reversal of 11121333311 is 11333312111.

11121333311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11121333299) and next prime (11121333323).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121333311 is a prime.

It is a super-2 number, since 2×11121333311² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121333331) 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 31 ways as a sum of consecutive naturals, for example, 19476656 + ... + 19477226.

It is an arithmetic number, because the mean of its divisors is an integer number (392771808).

Almost surely, 2^11121333311 is an apocalyptic number.

11121333311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11121333311 is a deficient number, since it is larger than the sum of its proper divisors (1447364545).

11121333311 is a wasteful number, since it uses less digits than its factorization.

11121333311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103.

The product of its digits is 162, while the sum is 20.

Adding to 11121333311 its reverse (11333312111), we get a palindrome (22454645422).

The spelling of 11121333311 in words is "eleven billion, one hundred twenty-one million, three hundred thirty-three thousand, three hundred eleven".