200121000202112 has 128 divisors (see below), whose sum is σ = 451964918016000. Its totient is φ = 87438958848000.

The previous prime is 200121000202111. The next prime is 200121000202157. The reversal of 200121000202112 is 211202000121002.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×200121000202112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121000202111) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8881964 + ... + 21889067.

It is an arithmetic number, because the mean of its divisors is an integer number (3530975922000).

Almost surely, 2^{200121000202112} is an apocalyptic number.

200121000202112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

200121000202112 is an abundant number, since it is smaller than the sum of its proper divisors (251843917813888).

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

200121000202112 is a wasteful number, since it uses less digits than its factorization.

200121000202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30771236 (or 30771224 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200121000202112 its reverse (211202000121002), we get a palindrome (411323000323114).

The spelling of 200121000202112 in words is "two hundred trillion, one hundred twenty-one billion, two hundred two thousand, one hundred twelve".