11122212112200 has 144 divisors (see below), whose sum is σ = 42688109393280. Its totient is φ = 2542219908480.

The previous prime is 11122212112183. The next prime is 11122212112229. The reversal of 11122212112200 is 221121222111.

11122212112200 is a `hidden beast` number, since 1 + 1 + 12 + 221 + 211 + 220 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 441345024 + ... + 441370223.

It is an arithmetic number, because the mean of its divisors is an integer number (296445204120).

Almost surely, 2^{11122212112200} is an apocalyptic number.

11122212112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122212112200 is an abundant number, since it is smaller than the sum of its proper divisors (31565897281080).

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

11122212112200 is a wasteful number, since it uses less digits than its factorization.

11122212112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882715276 (or 882715264 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11122212112200 its reverse (221121222111), we get a palindrome (11343333334311).

The spelling of 11122212112200 in words is "eleven trillion, one hundred twenty-two billion, two hundred twelve million, one hundred twelve thousand, two hundred".