1121103322012 has 24 divisors (see below), whose sum is σ = 2077372017504. Its totient is φ = 527569523712.

The previous prime is 1121103321953. The next prime is 1121103322013. The reversal of 1121103322012 is 2102233011211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121103322013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6607908 + ... + 6775444.

It is an arithmetic number, because the mean of its divisors is an integer number (86557167396).

Almost surely, 2^{1121103322012} is an apocalyptic number.

It is an amenable number.

1121103322012 is a deficient number, since it is larger than the sum of its proper divisors (956268695492).

1121103322012 is a wasteful number, since it uses less digits than its factorization.

1121103322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265965 (or 265963 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1121103322012 its reverse (2102233011211), we get a palindrome (3223336333223).

The spelling of 1121103322012 in words is "one trillion, one hundred twenty-one billion, one hundred three million, three hundred twenty-two thousand, twelve".