1112111121200 has 60 divisors (see below), whose sum is σ = 2698300997088. Its totient is φ = 440440032000.

The previous prime is 1112111121161. The next prime is 1112111121211. The reversal of 1112111121200 is 21211112111.

It is a super-2 number, since 2×1112111121200² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13723352 + ... + 13804151.

Almost surely, 2^{1112111121200} is an apocalyptic number.

1112111121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112111121200 is an abundant number, since it is smaller than the sum of its proper divisors (1586189875888).

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

1112111121200 is a wasteful number, since it uses less digits than its factorization.

1112111121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27527622 (or 27527611 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1112111121200 its reverse (21211112111), we get a palindrome (1133322233311).

The spelling of 1112111121200 in words is "one trillion, one hundred twelve billion, one hundred eleven million, one hundred twenty-one thousand, two hundred".