12011100200221 has 4 divisors (see below), whose sum is σ = 12011107139200. Its totient is φ = 12011093261244.

The previous prime is 12011100200153. The next prime is 12011100200243. The reversal of 12011100200221 is 12200200111021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12011100200221 - 2¹⁷ = 12011100069149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011100200321) 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, 1491700 + ... + 5123218.

It is an arithmetic number, because the mean of its divisors is an integer number (3002776784800).

Almost surely, 2^{12011100200221} is an apocalyptic number.

It is an amenable number.

12011100200221 is a deficient number, since it is larger than the sum of its proper divisors (6938979).

12011100200221 is an equidigital number, since it uses as much as digits as its factorization.

12011100200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938978.

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

Adding to 12011100200221 its reverse (12200200111021), we get a palindrome (24211300311242).

The spelling of 12011100200221 in words is "twelve trillion, eleven billion, one hundred million, two hundred thousand, two hundred twenty-one".