11121331343312 has 20 divisors (see below), whose sum is σ = 21559059333156. Its totient is φ = 5557703128320.

The previous prime is 11121331343281. The next prime is 11121331343351. The reversal of 11121331343312 is 21334313312111.

It can be written as a sum of positive squares in 2 ways, for example, as 6615883602496 + 4505447740816 = 2572136^2 + 2122604^2 .

It is a super-3 number, since 3×11121331343312³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

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, 185127989 + ... + 185188052.

Almost surely, 2^{11121331343312} is an apocalyptic number.

It is an amenable number.

11121331343312 is a deficient number, since it is larger than the sum of its proper divisors (10437727989844).

11121331343312 is a wasteful number, since it uses less digits than its factorization.

11121331343312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370317926 (or 370317920 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

Adding to 11121331343312 its reverse (21334313312111), we get a palindrome (32455644655423).

The spelling of 11121331343312 in words is "eleven trillion, one hundred twenty-one billion, three hundred thirty-one million, three hundred forty-three thousand, three hundred twelve".