1110110220221 has 4 divisors (see below), whose sum is σ = 1110113760000. Its totient is φ = 1110106680444.

The previous prime is 1110110220203. The next prime is 1110110220253. The reversal of 1110110220221 is 1220220110111.

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 1110110220221 - 2⁶ = 1110110220157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110110220196 and 1110110220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110110210221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1248221 + ... + 1943778.

It is an arithmetic number, because the mean of its divisors is an integer number (277528440000).

Almost surely, 2^{1110110220221} is an apocalyptic number.

It is an amenable number.

1110110220221 is a deficient number, since it is larger than the sum of its proper divisors (3539779).

1110110220221 is an equidigital number, since it uses as much as digits as its factorization.

1110110220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3539778.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1110110220221 its reverse (1220220110111), we get a palindrome (2330330330332).

It can be divided in two parts, 1110110 and 220221, that added together give a palindrome (1330331).

The spelling of 1110110220221 in words is "one trillion, one hundred ten billion, one hundred ten million, two hundred twenty thousand, two hundred twenty-one".