1121113311 has 16 divisors (see below), whose sum is σ = 1563777024. Its totient is φ = 713094624.

The previous prime is 1121113303. The next prime is 1121113313. The reversal of 1121113311 is 1133111211.

It is not a de Polignac number, because 1121113311 - 2³ = 1121113303 is a prime.

It is a super-3 number, since 3×1121113311³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121113313) 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 15 ways as a sum of consecutive naturals, for example, 6930 + ... + 47856.

It is an arithmetic number, because the mean of its divisors is an integer number (97736064).

Almost surely, 2^1121113311 is an apocalyptic number.

1121113311 is a deficient number, since it is larger than the sum of its proper divisors (442663713).

1121113311 is a wasteful number, since it uses less digits than its factorization.

1121113311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41350.

The product of its digits is 18, while the sum is 15.

The square root of 1121113311 is about 33483.0301944134. The cubic root of 1121113311 is about 1038.8428052758.

Adding to 1121113311 its reverse (1133111211), we get a palindrome (2254224522).

The spelling of 1121113311 in words is "one billion, one hundred twenty-one million, one hundred thirteen thousand, three hundred eleven".