1121201012200 has 48 divisors (see below), whose sum is σ = 2606871944160. Its totient is φ = 448466712000.

The previous prime is 1121201012167. The next prime is 1121201012207. The reversal of 1121201012200 is 22101021211.

It is not an unprimeable number, because it can be changed into a prime (1121201012207) by changing a digit.

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, 8762685 + ... + 8889715.

It is an arithmetic number, because the mean of its divisors is an integer number (54309832170).

Almost surely, 2^{1121201012200} is an apocalyptic number.

1121201012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121201012200 is an abundant number, since it is smaller than the sum of its proper divisors (1485670931960).

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

1121201012200 is a wasteful number, since it uses less digits than its factorization.

1121201012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171178 (or 171169 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1121201012200 its reverse (22101021211), we get a palindrome (1143302033411).

The spelling of 1121201012200 in words is "one trillion, one hundred twenty-one billion, two hundred one million, twelve thousand, two hundred".