11123322030 has 64 divisors (see below), whose sum is σ = 29712640320. Its totient is φ = 2961174528.

The previous prime is 11123322029. The next prime is 11123322043. The reversal of 11123322030 is 3022332111.

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

It is a junction number, because it is equal to n+sod(n) for n = 11123321994 and 11123322012.

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, 125374 + ... + 194846.

It is an arithmetic number, because the mean of its divisors is an integer number (464260005).

Almost surely, 2^11123322030 is an apocalyptic number.

11123322030 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 11123322030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14856320160).

11123322030 is an abundant number, since it is smaller than the sum of its proper divisors (18589318290).

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

11123322030 is a wasteful number, since it uses less digits than its factorization.

11123322030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70082 (or 70076 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11123322030 its reverse (3022332111), we get a palindrome (14145654141).

The spelling of 11123322030 in words is "eleven billion, one hundred twenty-three million, three hundred twenty-two thousand, thirty".