1112211021200 has 30 divisors (see below), whose sum is σ = 2672086979394. Its totient is φ = 444884408320.

The previous prime is 1112211021199. The next prime is 1112211021227. The reversal of 1112211021200 is 21201122111.

It can be written as a sum of positive squares in 3 ways, for example, as 61758214144 + 1050452807056 = 248512^2 + 1024916^2 .

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 5 ways as a sum of consecutive naturals, for example, 1390263377 + ... + 1390264176.

Almost surely, 2^{1112211021200} is an apocalyptic number.

1112211021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112211021200 is an abundant number, since it is smaller than the sum of its proper divisors (1559875958194).

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

1112211021200 is a wasteful number, since it uses less digits than its factorization.

1112211021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780527571 (or 2780527560 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1112211021200 its reverse (21201122111), we get a palindrome (1133412143311).

The spelling of 1112211021200 in words is "one trillion, one hundred twelve billion, two hundred eleven million, twenty-one thousand, two hundred".