1100111212112 has 20 divisors (see below), whose sum is σ = 2325235062336. Its totient is φ = 500050550880.

The previous prime is 1100111212087. The next prime is 1100111212121. The reversal of 1100111212112 is 2112121110011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3125315768 + ... + 3125316119.

Almost surely, 2^{1100111212112} is an apocalyptic number.

It is an amenable number.

1100111212112 is an abundant number, since it is smaller than the sum of its proper divisors (1225123850224).

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

1100111212112 is a wasteful number, since it uses less digits than its factorization.

1100111212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250631906 (or 6250631900 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1100111212112 its reverse (2112121110011), we get a palindrome (3212232322123).

The spelling of 1100111212112 in words is "one trillion, one hundred billion, one hundred eleven million, two hundred twelve thousand, one hundred twelve".