221200110001 has 8 divisors (see below), whose sum is σ = 248572699200. Its totient is φ = 195307120272.

The previous prime is 221200109983. The next prime is 221200110031. The reversal of 221200110001 is 100011002122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221200110001 - 2⁹ = 221200109489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221200110001.

It is not an unprimeable number, because it can be changed into a prime (221200110031) 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 7 ways as a sum of consecutive naturals, for example, 369899551 + ... + 369900148.

It is an arithmetic number, because the mean of its divisors is an integer number (31071587400).

Almost surely, 2^221200110001 is an apocalyptic number.

It is an amenable number.

221200110001 is a deficient number, since it is larger than the sum of its proper divisors (27372589199).

221200110001 is a wasteful number, since it uses less digits than its factorization.

221200110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739799735.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 221200110001 its reverse (100011002122), we get a palindrome (321211112123).

The spelling of 221200110001 in words is "two hundred twenty-one billion, two hundred million, one hundred ten thousand, one".