11111102122200 has 96 divisors (see below), whose sum is σ = 34450133361360. Its totient is φ = 2962468800000.

The previous prime is 11111102122187. The next prime is 11111102122231. The reversal of 11111102122200 is 222120111111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11111102122200.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2088450 + ... + 5155950.

Almost surely, 2^{11111102122200} is an apocalyptic number.

11111102122200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111102122200 is an abundant number, since it is smaller than the sum of its proper divisors (23339031239160).

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

11111102122200 is a wasteful number, since it uses less digits than its factorization.

11111102122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073557 (or 3073548 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11111102122200 its reverse (222120111111), we get a palindrome (11333222233311).

The spelling of 11111102122200 in words is "eleven trillion, one hundred eleven billion, one hundred two million, one hundred twenty-two thousand, two hundred".