1100011121212 has 24 divisors (see below), whose sum is σ = 1954648760960. Its totient is φ = 541547590320.

The previous prime is 1100011121207. The next prime is 1100011121219. The reversal of 1100011121212 is 2121211100011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1100011121192 and 1100011121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100011121219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 357864 + ... + 1525807.

Almost surely, 2^{1100011121212} is an apocalyptic number.

It is an amenable number.

1100011121212 is a deficient number, since it is larger than the sum of its proper divisors (854637639748).

1100011121212 is a wasteful number, since it uses less digits than its factorization.

1100011121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885921 (or 1885919 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1100011121212 its reverse (2121211100011), we get a palindrome (3221222221223).

The spelling of 1100011121212 in words is "one trillion, one hundred billion, eleven million, one hundred twenty-one thousand, two hundred twelve".