200121012021102 has 8 divisors (see below), whose sum is σ = 400242024042216. Its totient is φ = 66707004007032.

The previous prime is 200121012021089. The next prime is 200121012021103. The reversal of 200121012021102 is 201120210121002.

It is a sphenic number, since it is the product of 3 distinct primes.

200121012021102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121012021103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16676751001753 + ... + 16676751001764.

It is an arithmetic number, because the mean of its divisors is an integer number (50030253005277).

Almost surely, 2^{200121012021102} is an apocalyptic number.

200121012021102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

200121012021102 is a wasteful number, since it uses less digits than its factorization.

200121012021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33353502003522.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200121012021102 its reverse (201120210121002), we get a palindrome (401241222142104).

The spelling of 200121012021102 in words is "two hundred trillion, one hundred twenty-one billion, twelve million, twenty-one thousand, one hundred two".