11200220121212 has 24 divisors (see below), whose sum is σ = 19876711075200. Its totient is φ = 5521161910320.

The previous prime is 11200220121187. The next prime is 11200220121253. The reversal of 11200220121212 is 21212102200211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25655663 + ... + 26088569.

It is an arithmetic number, because the mean of its divisors is an integer number (828196294800).

Almost surely, 2^{11200220121212} is an apocalyptic number.

It is an amenable number.

11200220121212 is a deficient number, since it is larger than the sum of its proper divisors (8676490953988).

11200220121212 is a wasteful number, since it uses less digits than its factorization.

11200220121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524081 (or 524079 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11200220121212 its reverse (21212102200211), we get a palindrome (32412322321423).

The spelling of 11200220121212 in words is "eleven trillion, two hundred billion, two hundred twenty million, one hundred twenty-one thousand, two hundred twelve".