11231122032 has 120 divisors (see below), whose sum is σ = 33880571088. Its totient is φ = 3452544000.

The previous prime is 11231121989. The next prime is 11231122037. The reversal of 11231122032 is 23022113211.

11231122032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11231122032² (a number of 21 digits) contains 22 as substring.

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 = 11231121996 and 11231122014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231122037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2770407 + ... + 2774457.

Almost surely, 2^11231122032 is an apocalyptic number.

11231122032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11231122032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16940285544).

11231122032 is an abundant number, since it is smaller than the sum of its proper divisors (22649449056).

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

11231122032 is a wasteful number, since it uses less digits than its factorization.

11231122032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559 (or 5550 counting only the distinct ones).

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

Adding to 11231122032 its reverse (23022113211), we get a palindrome (34253235243).

The spelling of 11231122032 in words is "eleven billion, two hundred thirty-one million, one hundred twenty-two thousand, thirty-two".