200121113323230 has 128 divisors (see below), whose sum is σ = 536358156212736. Its totient is φ = 47366551142400.

The previous prime is 200121113323199. The next prime is 200121113323231. The reversal of 200121113323230 is 32323311121002.

It is a self number, because there is not a number n which added to its sum of digits gives 200121113323230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121113323231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31749022 + ... + 37526558.

It is an arithmetic number, because the mean of its divisors is an integer number (4190298095412).

Almost surely, 2^{200121113323230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200121113323230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268179078106368).

200121113323230 is an abundant number, since it is smaller than the sum of its proper divisors (336237042889506).

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

200121113323230 is a wasteful number, since it uses less digits than its factorization.

200121113323230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5780042.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 200121113323230 its reverse (32323311121002), we get a palindrome (232444424444232).

The spelling of 200121113323230 in words is "two hundred trillion, one hundred twenty-one billion, one hundred thirteen million, three hundred twenty-three thousand, two hundred thirty".