1121002033312 has 96 divisors (see below), whose sum is σ = 2619385413120. Its totient is φ = 462057308160.

The previous prime is 1121002033187. The next prime is 1121002033331. The reversal of 1121002033312 is 2133302001211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121002033312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1333737 + ... + 2005207.

It is an arithmetic number, because the mean of its divisors is an integer number (27285264720).

Almost surely, 2^{1121002033312} 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 1121002033312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1309692706560).

1121002033312 is an abundant number, since it is smaller than the sum of its proper divisors (1498383379808).

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

1121002033312 is a wasteful number, since it uses less digits than its factorization.

1121002033312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671774 (or 671766 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1121002033312 its reverse (2133302001211), we get a palindrome (3254304034523).

It can be divided in two parts, 112100 and 2033312, that added together give a palindrome (2145412).

The spelling of 1121002033312 in words is "one trillion, one hundred twenty-one billion, two million, thirty-three thousand, three hundred twelve".