200011001022021 has 32 divisors (see below), whose sum is σ = 305906756345856. Its totient is φ = 113868977040000.

The previous prime is 200011001022013. The next prime is 200011001022047. The reversal of 200011001022021 is 120220100110002.

It is not a de Polignac number, because 200011001022021 - 2³ = 200011001022013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200011001021988 and 200011001022006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200011001022121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 766339096 + ... + 766600046.

It is an arithmetic number, because the mean of its divisors is an integer number (9559586135808).

Almost surely, 2^{200011001022021} is an apocalyptic number.

200011001022021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200011001022021 is a deficient number, since it is larger than the sum of its proper divisors (105895755323835).

200011001022021 is a wasteful number, since it uses less digits than its factorization.

200011001022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395913.

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

Adding to 200011001022021 its reverse (120220100110002), we get a palindrome (320231101132023).

The spelling of 200011001022021 in words is "two hundred trillion, eleven billion, one million, twenty-two thousand, twenty-one".