121100002000200 has 144 divisors (see below), whose sum is σ = 428099129998800. Its totient is φ = 30593684707200.

The previous prime is 121100002000193. The next prime is 121100002000217. The reversal of 121100002000200 is 2000200001121.

It is a Harshad number since it is a multiple of its sum of digits (9).

121100002000200 is a modest number, since divided by 2000200 gives 1211000 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1770433666 + ... + 1770502065.

Almost surely, 2^{121100002000200} is an apocalyptic number.

121100002000200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121100002000200 is an abundant number, since it is smaller than the sum of its proper divisors (306999127998600).

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

121100002000200 is a wasteful number, since it uses less digits than its factorization.

121100002000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540935772 (or 3540935760 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 121100002000200 its reverse (2000200001121), we get a palindrome (123100202001321).

The spelling of 121100002000200 in words is "one hundred twenty-one trillion, one hundred billion, two million, two hundred", and thus it is an aban number.