221000201011006 has 16 divisors (see below), whose sum is σ = 332354538799920. Its totient is φ = 110215358251840.

The previous prime is 221000201011001. The next prime is 221000201011013. The reversal of 221000201011006 is 600110102000122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221000201011001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139733661 + ... + 141306391.

It is an arithmetic number, because the mean of its divisors is an integer number (20772158674995).

Almost surely, 2^{221000201011006} is an apocalyptic number.

221000201011006 is a deficient number, since it is larger than the sum of its proper divisors (111354337788914).

221000201011006 is a wasteful number, since it uses less digits than its factorization.

221000201011006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753739.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 221000201011006 its reverse (600110102000122), we get a palindrome (821110303011128).

The spelling of 221000201011006 in words is "two hundred twenty-one trillion, two hundred one million, eleven thousand, six".