1112211212200 has 288 divisors, whose sum is σ = 2893894778880. Its totient is φ = 397172160000.

The previous prime is 1112211212197. The next prime is 1112211212219. The reversal of 1112211212200 is 22121122111.

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 71 ways as a sum of consecutive naturals, for example, 310411609 + ... + 310415191.

It is an arithmetic number, because the mean of its divisors is an integer number (10048245760).

Almost surely, 2^{1112211212200} is an apocalyptic number.

1112211212200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112211212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1446947389440).

1112211212200 is an abundant number, since it is smaller than the sum of its proper divisors (1781683566680).

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

1112211212200 is a wasteful number, since it uses less digits than its factorization.

1112211212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849 (or 3829 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1112211212200 its reverse (22121122111), we get a palindrome (1134332334311).

The spelling of 1112211212200 in words is "one trillion, one hundred twelve billion, two hundred eleven million, two hundred twelve thousand, two hundred".