11243242122 has 64 divisors (see below), whose sum is σ = 26957021184. Its totient is φ = 3056549760.

The previous prime is 11243242093. The next prime is 11243242123. The reversal of 11243242122 is 22124234211.

It is a junction number, because it is equal to n+sod(n) for n = 11243242092 and 11243242101.

It is not an unprimeable number, because it can be changed into a prime (11243242123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154038 + ... + 214974.

It is an arithmetic number, because the mean of its divisors is an integer number (421203456).

Almost surely, 2^11243242122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11243242122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13478510592).

11243242122 is an abundant number, since it is smaller than the sum of its proper divisors (15713779062).

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

11243242122 is a wasteful number, since it uses less digits than its factorization.

11243242122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61163.

The product of its digits is 1536, while the sum is 24.

Adding to 11243242122 its reverse (22124234211), we get a palindrome (33367476333).

The spelling of 11243242122 in words is "eleven billion, two hundred forty-three million, two hundred forty-two thousand, one hundred twenty-two".