11232112122 has 72 divisors (see below), whose sum is σ = 30883125312. Its totient is φ = 2917429200.

The previous prime is 11232112121. The next prime is 11232112139. The reversal of 11232112122 is 22121123211.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11232112095 and 11232112104.

It is not an unprimeable number, because it can be changed into a prime (11232112121) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 569154 + ... + 588557.

It is an arithmetic number, because the mean of its divisors is an integer number (428932296).

Almost surely, 2^11232112122 is an apocalyptic number.

11232112122 is an abundant number, since it is smaller than the sum of its proper divisors (19651013190).

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

11232112122 is a wasteful number, since it uses less digits than its factorization.

11232112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157744 (or 1157734 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

Adding to 11232112122 its reverse (22121123211), we get a palindrome (33353235333).

The spelling of 11232112122 in words is "eleven billion, two hundred thirty-two million, one hundred twelve thousand, one hundred twenty-two".