1100121110012 has 12 divisors (see below), whose sum is σ = 1925231051016. Its totient is φ = 550055095440.

The previous prime is 1100121109987. The next prime is 1100121110017. The reversal of 1100121110012 is 2100111210011.

It is a junction number, because it is equal to n+sod(n) for n = 1100121109975 and 1100121110002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100121110017) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 893414 + ... + 1731597.

It is an arithmetic number, because the mean of its divisors is an integer number (160435920918).

Almost surely, 2^{1100121110012} is an apocalyptic number.

It is an amenable number.

1100121110012 is a deficient number, since it is larger than the sum of its proper divisors (825109941004).

1100121110012 is a wasteful number, since it uses less digits than its factorization.

1100121110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729788 (or 2729786 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1100121110012 its reverse (2100111210011), we get a palindrome (3200232320023).

Subtracting 1100121110012 from its reverse (2100111210011), we obtain a palindrome (999990099999).

The spelling of 1100121110012 in words is "one trillion, one hundred billion, one hundred twenty-one million, one hundred ten thousand, twelve".