1121113332012 has 24 divisors (see below), whose sum is σ = 2620170884016. Its totient is φ = 373098761728.

The previous prime is 1121113331971. The next prime is 1121113332023. The reversal of 1121113332012 is 2102333111211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121113332012.

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 7 ways as a sum of consecutive naturals, for example, 75702573 + ... + 75717380.

It is an arithmetic number, because the mean of its divisors is an integer number (109173786834).

Almost surely, 2^{1121113332012} is an apocalyptic number.

1121113332012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121113332012 is an abundant number, since it is smaller than the sum of its proper divisors (1499057552004).

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

1121113332012 is a wasteful number, since it uses less digits than its factorization.

1121113332012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151420577 (or 151420575 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1121113332012 its reverse (2102333111211), we get a palindrome (3223446443223).

The spelling of 1121113332012 in words is "one trillion, one hundred twenty-one billion, one hundred thirteen million, three hundred thirty-two thousand, twelve".