11112222340 has 24 divisors (see below), whose sum is σ = 23454130392. Its totient is φ = 4422324480.

The previous prime is 11112222313. The next prime is 11112222343. The reversal of 11112222340 is 4322221111.

It can be written as a sum of positive squares in 4 ways, for example, as 1110622276 + 10001600064 = 33326^2 + 100008^2 .

It is not an unprimeable number, because it can be changed into a prime (11112222343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406241 + ... + 1414120.

It is an arithmetic number, because the mean of its divisors is an integer number (977255433).

Almost surely, 2^11112222340 is an apocalyptic number.

11112222340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112222340 is an abundant number, since it is smaller than the sum of its proper divisors (12341908052).

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

11112222340 is a wasteful number, since it uses less digits than its factorization.

11112222340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820567 (or 2820565 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11112222340 its reverse (4322221111), we get a palindrome (15434443451).

The spelling of 11112222340 in words is "eleven billion, one hundred twelve million, two hundred twenty-two thousand, three hundred forty".