1111033311312 has 160 divisors (see below), whose sum is σ = 3110358924288. Its totient is φ = 340839088128.

The previous prime is 1111033311299. The next prime is 1111033311313. The reversal of 1111033311312 is 2131133301111.

It is a super-2 number, since 2×1111033311312² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111033311313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3005968 + ... + 3355280.

Almost surely, 2^{1111033311312} is an apocalyptic number.

1111033311312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111033311312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555179462144).

1111033311312 is an abundant number, since it is smaller than the sum of its proper divisors (1999325612976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111033311312 is a wasteful number, since it uses less digits than its factorization.

1111033311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349457 (or 349451 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 1111033311312 its reverse (2131133301111), we get a palindrome (3242166612423).

The spelling of 1111033311312 in words is "one trillion, one hundred eleven billion, thirty-three million, three hundred eleven thousand, three hundred twelve".