1110221120 has 28 divisors (see below), whose sum is σ = 2643714804. Its totient is φ = 444088320.

The previous prime is 1110221087. The next prime is 1110221141. The reversal of 1110221120 is 211220111.

It can be written as a sum of positive squares in 2 ways, for example, as 623401024 + 486820096 = 24968^2 + 22064^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1734401 + ... + 1735040.

Almost surely, 2^1110221120 is an apocalyptic number.

1110221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110221120 is an abundant number, since it is smaller than the sum of its proper divisors (1533493684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1110221120 is an equidigital number, since it uses as much as digits as its factorization.

1110221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469458 (or 3469448 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1110221120 is about 33319.9807923114. The cubic root of 1110221120 is about 1035.4675538517.

Adding to 1110221120 its reverse (211220111), we get a palindrome (1321441231).

The spelling of 1110221120 in words is "one billion, one hundred ten million, two hundred twenty-one thousand, one hundred twenty".