111220222220200 has 24 divisors (see below), whose sum is σ = 258587016662430. Its totient is φ = 44488088888000.

The previous prime is 111220222220161. The next prime is 111220222220209. The reversal of 111220222220200 is 2022222022111.

It can be written as a sum of positive squares in 3 ways, for example, as 95513600887236 + 15706621332964 = 9773106^2 + 3963158^2 .

It is not an unprimeable number, because it can be changed into a prime (111220222220209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278050555351 + ... + 278050555750.

Almost surely, 2^{111220222220200} is an apocalyptic number.

111220222220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111220222220200 is an abundant number, since it is smaller than the sum of its proper divisors (147366794442230).

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

111220222220200 is a wasteful number, since it uses less digits than its factorization.

111220222220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556101111117 (or 556101111108 counting only the distinct ones).

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

Adding to 111220222220200 its reverse (2022222022111), we get a palindrome (113242444242311).

The spelling of 111220222220200 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred twenty-two million, two hundred twenty thousand, two hundred".