1121112223200 has 108 divisors (see below), whose sum is σ = 3953322002448. Its totient is φ = 298963257600.

The previous prime is 1121112223199. The next prime is 1121112223267. The reversal of 1121112223200 is 23222111211.

1121112223200 is a `hidden beast` number, since 1 + 12 + 111 + 222 + 320 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 77847816 + ... + 77862215.

It is an arithmetic number, because the mean of its divisors is an integer number (36604833356).

Almost surely, 2^{1121112223200} is an apocalyptic number.

1121112223200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121112223200 is an abundant number, since it is smaller than the sum of its proper divisors (2832209779248).

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

1121112223200 is a wasteful number, since it uses less digits than its factorization.

1121112223200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155710057 (or 155710041 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1121112223200 its reverse (23222111211), we get a palindrome (1144334334411).

The spelling of 1121112223200 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, two hundred twenty-three thousand, two hundred".