110220222221 has 4 divisors (see below), whose sum is σ = 111013173600. Its totient is φ = 109427270844.

The previous prime is 110220222187. The next prime is 110220222239. The reversal of 110220222221 is 122222022011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110220222221 - 2⁶ = 110220222157 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 110220222221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110220222121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396475481 + ... + 396475758.

It is an arithmetic number, because the mean of its divisors is an integer number (27753293400).

Almost surely, 2^110220222221 is an apocalyptic number.

It is an amenable number.

110220222221 is a deficient number, since it is larger than the sum of its proper divisors (792951379).

110220222221 is an equidigital number, since it uses as much as digits as its factorization.

110220222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792951378.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 110220222221 its reverse (122222022011), we get a palindrome (232442244232).

The spelling of 110220222221 in words is "one hundred ten billion, two hundred twenty million, two hundred twenty-two thousand, two hundred twenty-one".