11121331112 has 16 divisors (see below), whose sum is σ = 20854736340. Its totient is φ = 5560068096.

The previous prime is 11121331087. The next prime is 11121331121. The reversal of 11121331112 is 21113312111.

It can be written as a sum of positive squares in 2 ways, for example, as 11120546116 + 784996 = 105454^2 + 886^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10088 + ... + 149480.

Almost surely, 2^11121331112 is an apocalyptic number.

It is an amenable number.

11121331112 is a deficient number, since it is larger than the sum of its proper divisors (9733405228).

11121331112 is a wasteful number, since it uses less digits than its factorization.

11121331112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149372 (or 149368 counting only the distinct ones).

The product of its digits is 36, while the sum is 17.

Adding to 11121331112 its reverse (21113312111), we get a palindrome (32234643223).

The spelling of 11121331112 in words is "eleven billion, one hundred twenty-one million, three hundred thirty-one thousand, one hundred twelve".