10021104660011 has 4 divisors (see below), whose sum is σ = 10061029380024. Its totient is φ = 9981179940000.

The previous prime is 10021104660001. The next prime is 10021104660031. The reversal of 10021104660011 is 11006640112001.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021104660011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021104660001) 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, 19962359630 + ... + 19962360131.

It is an arithmetic number, because the mean of its divisors is an integer number (2515257345006).

Almost surely, 2^{10021104660011} is an apocalyptic number.

10021104660011 is a deficient number, since it is larger than the sum of its proper divisors (39924720013).

10021104660011 is an equidigital number, since it uses as much as digits as its factorization.

10021104660011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39924720012.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 10021104660011 its reverse (11006640112001), we get a palindrome (21027744772012).

The spelling of 10021104660011 in words is "ten trillion, twenty-one billion, one hundred four million, six hundred sixty thousand, eleven".