200201222121006 has 16 divisors (see below), whose sum is σ = 400403126245248. Its totient is φ = 66733627039800.

The previous prime is 200201222120993. The next prime is 200201222121007. The reversal of 200201222121006 is 600121222102002.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200201222121007) 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, 24560410 + ... + 31679901.

It is an arithmetic number, because the mean of its divisors is an integer number (25025195390328).

Almost surely, 2^{200201222121006} is an apocalyptic number.

200201222121006 is an abundant number, since it is smaller than the sum of its proper divisors (200201904124242).

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

200201222121006 is a wasteful number, since it uses less digits than its factorization.

200201222121006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56833607.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 200201222121006 its reverse (600121222102002), we get a palindrome (800322444223008).

The spelling of 200201222121006 in words is "two hundred trillion, two hundred one billion, two hundred twenty-two million, one hundred twenty-one thousand, six".