1110221008 has 40 divisors (see below), whose sum is σ = 2329538400. Its totient is φ = 509529984.

The previous prime is 1110220967. The next prime is 1110221033. The reversal of 1110221008 is 8001220111.

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 = 1110220982 and 1110221000.

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, 22323 + ... + 52141.

It is an arithmetic number, because the mean of its divisors is an integer number (58238460).

Almost surely, 2^1110221008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1110221008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1164769200).

1110221008 is an abundant number, since it is smaller than the sum of its proper divisors (1219317392).

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

1110221008 is a wasteful number, since it uses less digits than its factorization.

1110221008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30019 (or 30013 counting only the distinct ones).

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

The square root of 1110221008 is about 33319.9791116381. The cubic root of 1110221008 is about 1035.4675190321.

Adding to 1110221008 its reverse (8001220111), we get a palindrome (9111441119).

The spelling of 1110221008 in words is "one billion, one hundred ten million, two hundred twenty-one thousand, eight".