1100200121212 has 12 divisors (see below), whose sum is σ = 1925364006720. Its totient is φ = 550096119296.

The previous prime is 1100200121173. The next prime is 1100200121243. The reversal of 1100200121212 is 2121210020011.

It is a junction number, because it is equal to n+sod(n) for n = 1100200121192 and 1100200121201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305068 + ... + 1514419.

It is an arithmetic number, because the mean of its divisors is an integer number (160447000560).

Almost surely, 2^{1100200121212} is an apocalyptic number.

It is an amenable number.

1100200121212 is a deficient number, since it is larger than the sum of its proper divisors (825163885508).

1100200121212 is a wasteful number, since it uses less digits than its factorization.

1100200121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970660 (or 1970658 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1100200121212 its reverse (2121210020011), we get a palindrome (3221410141223).

The spelling of 1100200121212 in words is "one trillion, one hundred billion, two hundred million, one hundred twenty-one thousand, two hundred twelve".