1122201220200 has 384 divisors, whose sum is σ = 3763559116800. Its totient is φ = 275761024000.

The previous prime is 1122201220199. The next prime is 1122201220247. The reversal of 1122201220200 is 20221022211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1122201220200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 196495345 + ... + 196501055.

It is an arithmetic number, because the mean of its divisors is an integer number (9800935200).

Almost surely, 2^{1122201220200} is an apocalyptic number.

1122201220200 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 1122201220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1881779558400).

1122201220200 is an abundant number, since it is smaller than the sum of its proper divisors (2641357896600).

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

1122201220200 is a wasteful number, since it uses less digits than its factorization.

1122201220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6273 (or 6264 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1122201220200 its reverse (20221022211), we get a palindrome (1142422242411).

The spelling of 1122201220200 in words is "one trillion, one hundred twenty-two billion, two hundred one million, two hundred twenty thousand, two hundred".