11200121212 has 48 divisors (see below), whose sum is σ = 22534536640. Its totient is φ = 4771353600.

The previous prime is 11200121183. The next prime is 11200121269. The reversal of 11200121212 is 21212100211.

11200121212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

11200121212 is a modest number, since divided by 121212 gives 11200 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 11200121192 and 11200121201.

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 15 ways as a sum of consecutive naturals, for example, 4783162 + ... + 4785502.

Almost surely, 2^11200121212 is an apocalyptic number.

It is an amenable number.

11200121212 is an abundant number, since it is smaller than the sum of its proper divisors (11334415428).

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

11200121212 is a wasteful number, since it uses less digits than its factorization.

11200121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302 (or 3300 counting only the distinct ones).

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

Adding to 11200121212 its reverse (21212100211), we get a palindrome (32412221423).

The spelling of 11200121212 in words is "eleven billion, two hundred million, one hundred twenty-one thousand, two hundred twelve".