11112222222200 has 96 divisors (see below), whose sum is σ = 28463692738320. Its totient is φ = 4000800000000.

The previous prime is 11112222222181. The next prime is 11112222222203. The reversal of 11112222222200 is 222222221111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112222222203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24782801 + ... + 25227200.

Almost surely, 2^{11112222222200} is an apocalyptic number.

11112222222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112222222200 is an abundant number, since it is smaller than the sum of its proper divisors (17351470516120).

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

11112222222200 is a wasteful number, since it uses less digits than its factorization.

11112222222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50010129 (or 50010120 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11112222222200 its reverse (222222221111), we get a palindrome (11334444443311).

It can be divided in two parts, 111122 and 22222200, that added together give a palindrome (22333322).

The spelling of 11112222222200 in words is "eleven trillion, one hundred twelve billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred".