1113021321112 has 64 divisors (see below), whose sum is σ = 2104378657920. Its totient is φ = 551880096768.

The previous prime is 1113021321109. The next prime is 1113021321151. The reversal of 1113021321112 is 2111231203111.

It is a super-2 number, since 2×1113021321112² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1113021321112.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 474230323 + ... + 474232669.

It is an arithmetic number, because the mean of its divisors is an integer number (32880916530).

Almost surely, 2^{1113021321112} is an apocalyptic number.

It is an amenable number.

1113021321112 is a deficient number, since it is larger than the sum of its proper divisors (991357336808).

1113021321112 is a wasteful number, since it uses less digits than its factorization.

1113021321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560 (or 3556 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1113021321112 its reverse (2111231203111), we get a palindrome (3224252524223).

The spelling of 1113021321112 in words is "one trillion, one hundred thirteen billion, twenty-one million, three hundred twenty-one thousand, one hundred twelve".