11123122230 has 384 divisors, whose sum is σ = 34583915520. Its totient is φ = 2536934400.

The previous prime is 11123122217. The next prime is 11123122247. The reversal of 11123122230 is 3222132111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 84909265 + ... + 84909395.

It is an arithmetic number, because the mean of its divisors is an integer number (90062280).

Almost surely, 2^11123122230 is an apocalyptic number.

11123122230 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 11123122230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17291957760).

11123122230 is an abundant number, since it is smaller than the sum of its proper divisors (23460793290).

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

11123122230 is a wasteful number, since it uses less digits than its factorization.

11123122230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11123122230 its reverse (3222132111), we get a palindrome (14345254341).

The spelling of 11123122230 in words is "eleven billion, one hundred twenty-three million, one hundred twenty-two thousand, two hundred thirty".