201101100110221 has 8 divisors (see below), whose sum is σ = 203701590041600. Its totient is φ = 198501982838640.

The previous prime is 201101100110203. The next prime is 201101100110237. The reversal of 201101100110221 is 122011001101102.

It is a happy number.

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 201101100110221 - 2³³ = 201092510175629 is a prime.

It is a super-2 number, since 2×201101100110221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101100180221) 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, 342870045 + ... + 343456066.

It is an arithmetic number, because the mean of its divisors is an integer number (25462698755200).

Almost surely, 2^{201101100110221} is an apocalyptic number.

It is an amenable number.

201101100110221 is a deficient number, since it is larger than the sum of its proper divisors (2600489931379).

201101100110221 is an equidigital number, since it uses as much as digits as its factorization.

201101100110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686329899.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201101100110221 its reverse (122011001101102), we get a palindrome (323112101211323).

The spelling of 201101100110221 in words is "two hundred one trillion, one hundred one billion, one hundred million, one hundred ten thousand, two hundred twenty-one".