221200110006 has 16 divisors (see below), whose sum is σ = 444645908784. Its totient is φ = 73359088544.

The previous prime is 221200109983. The next prime is 221200110031. The reversal of 221200110006 is 600011002122.

221200110006 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93569085 + ... + 93571448.

It is an arithmetic number, because the mean of its divisors is an integer number (27790369299).

Almost surely, 2^221200110006 is an apocalyptic number.

221200110006 is an abundant number, since it is smaller than the sum of its proper divisors (223445798778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221200110006 is a wasteful number, since it uses less digits than its factorization.

221200110006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187140735.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 221200110006 its reverse (600011002122), we get a palindrome (821211112128).

The spelling of 221200110006 in words is "two hundred twenty-one billion, two hundred million, one hundred ten thousand, six".