200121020021112 has 32 divisors (see below), whose sum is σ = 501622609574400. Its totient is φ = 66530998737504.

The previous prime is 200121020021101. The next prime is 200121020021113. The reversal of 200121020021112 is 211120020121002.

200121020021112 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 200121020021091 and 200121020021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121020021113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11000486728 + ... + 11000504919.

It is an arithmetic number, because the mean of its divisors is an integer number (15675706549200).

Almost surely, 2^{200121020021112} is an apocalyptic number.

It is an amenable number.

200121020021112 is an abundant number, since it is smaller than the sum of its proper divisors (301501589553288).

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

200121020021112 is a wasteful number, since it uses less digits than its factorization.

200121020021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22000992035 (or 22000992031 counting only the distinct ones).

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

Adding to 200121020021112 its reverse (211120020121002), we get a palindrome (411241040142114).

The spelling of 200121020021112 in words is "two hundred trillion, one hundred twenty-one billion, twenty million, twenty-one thousand, one hundred twelve".