11112444220 has 24 divisors (see below), whose sum is σ = 23342482800. Its totient is φ = 4443768192.

The previous prime is 11112444197. The next prime is 11112444221. The reversal of 11112444220 is 2244421111.

11112444220 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 2×11112444220² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11112444191 and 11112444200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112444221) 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 7 ways as a sum of consecutive naturals, for example, 1671 + ... + 149089.

It is an arithmetic number, because the mean of its divisors is an integer number (972603450).

Almost surely, 2^11112444220 is an apocalyptic number.

11112444220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112444220 is an abundant number, since it is smaller than the sum of its proper divisors (12230038580).

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

11112444220 is a wasteful number, since it uses less digits than its factorization.

11112444220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151197 (or 151195 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11112444220 its reverse (2244421111), we get a palindrome (13356865331).

The spelling of 11112444220 in words is "eleven billion, one hundred twelve million, four hundred forty-four thousand, two hundred twenty".