12201220020011 has 48 divisors (see below), whose sum is σ = 14449053265920. Its totient is φ = 10265185233600.

The previous prime is 12201220020007. The next prime is 12201220020043. The reversal of 12201220020011 is 11002002210221.

It is not a de Polignac number, because 12201220020011 - 2² = 12201220020007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201220320011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 457492385 + ... + 457519053.

It is an arithmetic number, because the mean of its divisors is an integer number (301021943040).

Almost surely, 2^{12201220020011} is an apocalyptic number.

12201220020011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12201220020011 is a deficient number, since it is larger than the sum of its proper divisors (2247833245909).

12201220020011 is a wasteful number, since it uses less digits than its factorization.

12201220020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32048 (or 32037 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12201220020011 its reverse (11002002210221), we get a palindrome (23203222230232).

The spelling of 12201220020011 in words is "twelve trillion, two hundred one billion, two hundred twenty million, twenty thousand, eleven".