10221201020011 has 4 divisors (see below), whose sum is σ = 10221377796000. Its totient is φ = 10221024244024.

The previous prime is 10221201019979. The next prime is 10221201020021. The reversal of 10221201020011 is 11002010212201.

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 10221201020011 - 2⁵ = 10221201019979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221201019973 and 10221201020000.

It is not an unprimeable number, because it can be changed into a prime (10221201020021) 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, 88301236 + ... + 88416913.

It is an arithmetic number, because the mean of its divisors is an integer number (2555344449000).

Almost surely, 2^{10221201020011} is an apocalyptic number.

10221201020011 is a deficient number, since it is larger than the sum of its proper divisors (176775989).

10221201020011 is an equidigital number, since it uses as much as digits as its factorization.

10221201020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176775988.

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

Adding to 10221201020011 its reverse (11002010212201), we get a palindrome (21223211232212).

The spelling of 10221201020011 in words is "ten trillion, two hundred twenty-one billion, two hundred one million, twenty thousand, eleven".