1110221 has 8 divisors (see below), whose sum is σ = 1276800. Its totient is φ = 945648.

The previous prime is 1110181. The next prime is 1110223. The reversal of 1110221 is 1220111.

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

It is not a de Polignac number, because 1110221 - 2¹⁰ = 1109197 is a prime.

It is a super-5 number, since 5×1110221⁵ (a number of 31 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1110199 and 1110208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110223) 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, 995 + ... + 1791.

It is an arithmetic number, because the mean of its divisors is an integer number (159600).

2^1110221 is an apocalyptic number.

It is an amenable number.

1110221 is a deficient number, since it is larger than the sum of its proper divisors (166579).

1110221 is an equidigital number, since it uses as much as digits as its factorization.

1110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1110221 is about 1053.6702520238. The cubic root of 1110221 is about 103.5467516545.

Adding to 1110221 its reverse (1220111), we get a palindrome (2330332).

It can be divided in two parts, 1110 and 221, that added together give a palindrome (1331).

The spelling of 1110221 in words is "one million, one hundred ten thousand, two hundred twenty-one".