11200003221221 has 8 divisors (see below), whose sum is σ = 11561332425984. Its totient is φ = 10838676440160.

The previous prime is 11200003221179. The next prime is 11200003221227. The reversal of 11200003221221 is 12212230000211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11200003221221 - 2²² = 11199999026917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11200003221221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200003221227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16073750 + ... + 16756056.

It is an arithmetic number, because the mean of its divisors is an integer number (1445166553248).

Almost surely, 2^{11200003221221} is an apocalyptic number.

It is an amenable number.

11200003221221 is a deficient number, since it is larger than the sum of its proper divisors (361329204763).

11200003221221 is an equidigital number, since it uses as much as digits as its factorization.

11200003221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211851.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11200003221221 its reverse (12212230000211), we get a palindrome (23412233221432).

The spelling of 11200003221221 in words is "eleven trillion, two hundred billion, three million, two hundred twenty-one thousand, two hundred twenty-one".