111222202220200 has 24 divisors (see below), whose sum is σ = 258591620162430. Its totient is φ = 44488880888000.

The previous prime is 111222202220183. The next prime is 111222202220203. The reversal of 111222202220200 is 2022202222111.

It can be written as a sum of positive squares in 3 ways, for example, as 74796656032036 + 36425546188164 = 8648506^2 + 6035358^2 .

It is a super-2 number, since 2×111222202220200² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111222202220203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278055505351 + ... + 278055505750.

Almost surely, 2^{111222202220200} is an apocalyptic number.

111222202220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111222202220200 is an abundant number, since it is smaller than the sum of its proper divisors (147369417942230).

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

111222202220200 is a wasteful number, since it uses less digits than its factorization.

111222202220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556111011117 (or 556111011108 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 111222202220200 its reverse (2022202222111), we get a palindrome (113244404442311).

The spelling of 111222202220200 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred two million, two hundred twenty thousand, two hundred".