1116010221 has 8 divisors (see below), whose sum is σ = 1489824960. Its totient is φ = 743101152.

The previous prime is 1116010177. The next prime is 1116010309. The reversal of 1116010221 is 1220106111.

It is a happy number.

1116010221 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1116010221 - 2⁶ = 1116010157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1116010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116010121) 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, 223536 + ... + 228473.

It is an arithmetic number, because the mean of its divisors is an integer number (186228120).

Almost surely, 2^1116010221 is an apocalyptic number.

It is an amenable number.

1116010221 is a deficient number, since it is larger than the sum of its proper divisors (373814739).

1116010221 is an equidigital number, since it uses as much as digits as its factorization.

1116010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452835.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1116010221 is about 33406.7391554459. The cubic root of 1116010221 is about 1037.2642041389.

Adding to 1116010221 its reverse (1220106111), we get a palindrome (2336116332).

The spelling of 1116010221 in words is "one billion, one hundred sixteen million, ten thousand, two hundred twenty-one".