1100110121212 has 12 divisors (see below), whose sum is σ = 1925450246440. Its totient is φ = 549981479376.

The previous prime is 1100110121177. The next prime is 1100110121219. The reversal of 1100110121212 is 2121210110011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1100110121192 and 1100110121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100110121219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18361662 + ... + 18421477.

Almost surely, 2^{1100110121212} is an apocalyptic number.

It is an amenable number.

1100110121212 is a deficient number, since it is larger than the sum of its proper divisors (825340125228).

1100110121212 is a wasteful number, since it uses less digits than its factorization.

1100110121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36790620 (or 36790618 counting only the distinct ones).

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

Adding to 1100110121212 its reverse (2121210110011), we get a palindrome (3221320231223).

The spelling of 1100110121212 in words is "one trillion, one hundred billion, one hundred ten million, one hundred twenty-one thousand, two hundred twelve".