221011121110201 has 8 divisors (see below), whose sum is σ = 234049235270400. Its totient is φ = 207977169169728.

The previous prime is 221011121110159. The next prime is 221011121110223. The reversal of 221011121110201 is 102011121110122.

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 221011121110201 - 2¹⁵ = 221011121077433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221011121110231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040445601 + ... + 1040657998.

It is an arithmetic number, because the mean of its divisors is an integer number (29256154408800).

Almost surely, 2^{221011121110201} is an apocalyptic number.

It is an amenable number.

221011121110201 is a deficient number, since it is larger than the sum of its proper divisors (13038114160199).

221011121110201 is a wasteful number, since it uses less digits than its factorization.

221011121110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081109863.

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

Adding to 221011121110201 its reverse (102011121110122), we get a palindrome (323022242220323).

The spelling of 221011121110201 in words is "two hundred twenty-one trillion, eleven billion, one hundred twenty-one million, one hundred ten thousand, two hundred one".