110101110220221 has 16 divisors (see below), whose sum is σ = 146889443188224. Its totient is φ = 73356771846464.

The previous prime is 110101110220187. The next prime is 110101110220271. The reversal of 110101110220221 is 122022011101011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 110101110220221 - 2¹³ = 110101110212029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110101110220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110101110220271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31927015 + ... + 35207051.

It is an arithmetic number, because the mean of its divisors is an integer number (9180590199264).

Almost surely, 2^{110101110220221} is an apocalyptic number.

It is an amenable number.

110101110220221 is a deficient number, since it is larger than the sum of its proper divisors (36788332968003).

110101110220221 is a wasteful number, since it uses less digits than its factorization.

110101110220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286740.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 110101110220221 its reverse (122022011101011), we get a palindrome (232123121321232).

The spelling of 110101110220221 in words is "one hundred ten trillion, one hundred one billion, one hundred ten million, two hundred twenty thousand, two hundred twenty-one".