110110110022221 has 8 divisors (see below), whose sum is σ = 146813956189344. Its totient is φ = 73406501934960.

The previous prime is 110110110022207. The next prime is 110110110022243. The reversal of 110110110022221 is 122220011011011.

It is a happy number.

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

It is not a de Polignac number, because 110110110022221 - 2⁵ = 110110110022189 is a prime.

It is a super-2 number, since 2×110110110022221² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 110110110022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110110110022271) 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, 58438006 + ... + 60292791.

It is an arithmetic number, because the mean of its divisors is an integer number (18351744523668).

Almost surely, 2^{110110110022221} is an apocalyptic number.

It is an amenable number.

110110110022221 is a deficient number, since it is larger than the sum of its proper divisors (36703846167123).

110110110022221 is a wasteful number, since it uses less digits than its factorization.

110110110022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119039931.

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

Adding to 110110110022221 its reverse (122220011011011), we get a palindrome (232330121033232).

The spelling of 110110110022221 in words is "one hundred ten trillion, one hundred ten billion, one hundred ten million, twenty-two thousand, two hundred twenty-one".