1113211321112 has 64 divisors (see below), whose sum is σ = 2299749753600. Its totient is φ = 500957447040.

The previous prime is 1113211321111. The next prime is 1113211321121. The reversal of 1113211321112 is 2111231123111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113211321111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38589158 + ... + 38617994.

It is an arithmetic number, because the mean of its divisors is an integer number (35933589900).

Almost surely, 2^{1113211321112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113211321112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149874876800).

1113211321112 is an abundant number, since it is smaller than the sum of its proper divisors (1186538432488).

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

1113211321112 is a wasteful number, since it uses less digits than its factorization.

1113211321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33216 (or 33212 counting only the distinct ones).

The product of its digits is 72, while the sum is 20.

Adding to 1113211321112 its reverse (2111231123111), we get a palindrome (3224442444223).

The spelling of 1113211321112 in words is "one trillion, one hundred thirteen billion, two hundred eleven million, three hundred twenty-one thousand, one hundred twelve".