1110221221120 has 72 divisors (see below), whose sum is σ = 2901083784480. Its totient is φ = 403716802560.

The previous prime is 1110221221117. The next prime is 1110221221157. The reversal of 1110221221120 is 211221220111.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1110221221094 and 1110221221103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39411390 + ... + 39439549.

It is an arithmetic number, because the mean of its divisors is an integer number (40292830340).

Almost surely, 2^{1110221221120} is an apocalyptic number.

1110221221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110221221120 is an abundant number, since it is smaller than the sum of its proper divisors (1790862563360).

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

1110221221120 is an equidigital number, since it uses as much as digits as its factorization.

1110221221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78850971 (or 78850957 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1110221221120 its reverse (211221220111), we get a palindrome (1321442441231).

The spelling of 1110221221120 in words is "one trillion, one hundred ten billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred twenty".