12221200010011 has 4 divisors (see below), whose sum is σ = 12223699749000. Its totient is φ = 12218700271024.

The previous prime is 12221200009903. The next prime is 12221200010017. The reversal of 12221200010011 is 11001000212221.

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

It is a cyclic number.

It is not a de Polignac number, because 12221200010011 - 2⁷ = 12221200009883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12221200009973 and 12221200010000.

It is not an unprimeable number, because it can be changed into a prime (12221200010017) 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, 1249862161 + ... + 1249871938.

It is an arithmetic number, because the mean of its divisors is an integer number (3055924937250).

Almost surely, 2^{12221200010011} is an apocalyptic number.

12221200010011 is a deficient number, since it is larger than the sum of its proper divisors (2499738989).

12221200010011 is an equidigital number, since it uses as much as digits as its factorization.

12221200010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499738988.

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

Adding to 12221200010011 its reverse (11001000212221), we get a palindrome (23222200222232).

The spelling of 12221200010011 in words is "twelve trillion, two hundred twenty-one billion, two hundred million, ten thousand, eleven".