200121020200110 has 96 divisors (see below), whose sum is σ = 506924188323840. Its totient is φ = 50554410768576.

The previous prime is 200121020200019. The next prime is 200121020200121. The reversal of 200121020200110 is 11002020121002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 225677059 + ... + 226562081.

It is an arithmetic number, because the mean of its divisors is an integer number (5280460295040).

Almost surely, 2^{200121020200110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200121020200110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253462094161920).

200121020200110 is an abundant number, since it is smaller than the sum of its proper divisors (306803168123730).

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

200121020200110 is a wasteful number, since it uses less digits than its factorization.

200121020200110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905950 (or 905931 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200121020200110 its reverse (11002020121002), we get a palindrome (211123040321112).

The spelling of 200121020200110 in words is "two hundred trillion, one hundred twenty-one billion, twenty million, two hundred thousand, one hundred ten".