12201020020011 has 4 divisors (see below), whose sum is σ = 16268026693352. Its totient is φ = 8134013346672.

The previous prime is 12201020019907. The next prime is 12201020020019. The reversal of 12201020020011 is 11002002010221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12201020020011 - 2¹⁰ = 12201020018987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201020020019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033503336666 + ... + 2033503336671.

It is an arithmetic number, because the mean of its divisors is an integer number (4067006673338).

Almost surely, 2^{12201020020011} is an apocalyptic number.

12201020020011 is a deficient number, since it is larger than the sum of its proper divisors (4067006673341).

12201020020011 is an equidigital number, since it uses as much as digits as its factorization.

12201020020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067006673340.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12201020020011 its reverse (11002002010221), we get a palindrome (23203022030232).

The spelling of 12201020020011 in words is "twelve trillion, two hundred one billion, twenty million, twenty thousand, eleven".