1113223110 has 64 divisors (see below), whose sum is σ = 2816640000. Its totient is φ = 280806912.

The previous prime is 1113223109. The next prime is 1113223123. The reversal of 1113223110 is 113223111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113223110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555891 + ... + 557889.

It is an arithmetic number, because the mean of its divisors is an integer number (44010000).

Almost surely, 2^1113223110 is an apocalyptic number.

1113223110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113223110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408320000).

1113223110 is an abundant number, since it is smaller than the sum of its proper divisors (1703416890).

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

1113223110 is a wasteful number, since it uses less digits than its factorization.

1113223110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1113223110 is about 33364.9982766372. The cubic root of 1113223110 is about 1036.4000004518.

Adding to 1113223110 its reverse (113223111), we get a palindrome (1226446221).

Subtracting from 1113223110 its reverse (113223111), we obtain a palindrome (999999999).

The spelling of 1113223110 in words is "one billion, one hundred thirteen million, two hundred twenty-three thousand, one hundred ten".