1121330223112 has 16 divisors (see below), whose sum is σ = 2293630002000. Its totient is φ = 509695555920.

The previous prime is 1121330223089. The next prime is 1121330223127. The reversal of 1121330223112 is 2113220331211.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6371194362 + ... + 6371194537.

It is an arithmetic number, because the mean of its divisors is an integer number (143351875125).

Almost surely, 2^{1121330223112} is an apocalyptic number.

It is an amenable number.

1121330223112 is an abundant number, since it is smaller than the sum of its proper divisors (1172299778888).

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

1121330223112 is a wasteful number, since it uses less digits than its factorization.

1121330223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12742388916 (or 12742388912 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1121330223112 its reverse (2113220331211), we get a palindrome (3234550554323).

The spelling of 1121330223112 in words is "one trillion, one hundred twenty-one billion, three hundred thirty million, two hundred twenty-three thousand, one hundred twelve".