10221066211 has 4 divisors (see below), whose sum is σ = 10573516800. Its totient is φ = 9868615624.

The previous prime is 10221066197. The next prime is 10221066217. The reversal of 10221066211 is 11266012201.

10221066211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11266012201 = 7309 ⋅1541389.

It is a cyclic number.

It is not a de Polignac number, because 10221066211 - 2¹¹ = 10221064163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221066217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176225251 + ... + 176225308.

It is an arithmetic number, because the mean of its divisors is an integer number (2643379200).

Almost surely, 2^10221066211 is an apocalyptic number.

10221066211 is a deficient number, since it is larger than the sum of its proper divisors (352450589).

10221066211 is an equidigital number, since it uses as much as digits as its factorization.

10221066211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352450588.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 10221066211 its reverse (11266012201), we get a palindrome (21487078412).

The spelling of 10221066211 in words is "ten billion, two hundred twenty-one million, sixty-six thousand, two hundred eleven".