200021145234111 has 12 divisors (see below), whose sum is σ = 288925207232688. Its totient is φ = 133344764666304.

The previous prime is 200021145234109. The next prime is 200021145234121. The reversal of 200021145234111 is 111432541120002.

200021145234111 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 21 + 1 + 4 + 523 + 4 + 111 = 666.

It is not a de Polignac number, because 200021145234111 - 2¹ = 200021145234109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021145234121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221648835 + ... + 222549428.

It is an arithmetic number, because the mean of its divisors is an integer number (24077100602724).

Almost surely, 2^{200021145234111} is an apocalyptic number.

200021145234111 is a deficient number, since it is larger than the sum of its proper divisors (88904061998577).

200021145234111 is a wasteful number, since it uses less digits than its factorization.

200021145234111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444248302 (or 444248299 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 200021145234111 its reverse (111432541120002), we get a palindrome (311453686354113).

The spelling of 200021145234111 in words is "two hundred trillion, twenty-one billion, one hundred forty-five million, two hundred thirty-four thousand, one hundred eleven".