200002121021010 has 256 divisors, whose sum is σ = 604612586815488. Its totient is φ = 41131105536000.

The previous prime is 200002121021009. The next prime is 200002121021039. The reversal of 200002121021010 is 10120121200002.

It is a super-2 number, since 2×200002121021010² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 593138782 + ... + 593475878.

It is an arithmetic number, because the mean of its divisors is an integer number (2361767917248).

Almost surely, 2^{200002121021010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200002121021010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302306293407744).

200002121021010 is an abundant number, since it is smaller than the sum of its proper divisors (404610465794478).

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

200002121021010 is a wasteful number, since it uses less digits than its factorization.

200002121021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339769.

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

Adding to 200002121021010 its reverse (10120121200002), we get a palindrome (210122242221012).

The spelling of 200002121021010 in words is "two hundred trillion, two billion, one hundred twenty-one million, twenty-one thousand, ten".