11320212042 has 48 divisors (see below), whose sum is σ = 26017759872. Its totient is φ = 3544894080.

The previous prime is 11320212041. The next prime is 11320212139. The reversal of 11320212042 is 24021202311.

It is a happy number.

11320212042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (11320212041) 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, 133567 + ... + 201197.

It is an arithmetic number, because the mean of its divisors is an integer number (542036664).

Almost surely, 2^11320212042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11320212042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13008879936).

11320212042 is an abundant number, since it is smaller than the sum of its proper divisors (14697547830).

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

11320212042 is a wasteful number, since it uses less digits than its factorization.

11320212042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68203 (or 68200 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11320212042 its reverse (24021202311), we get a palindrome (35341414353).

The spelling of 11320212042 in words is "eleven billion, three hundred twenty million, two hundred twelve thousand, forty-two".