211200200022021 has 256 divisors, whose sum is σ = 352094625792000. Its totient is φ = 109932800624640.

The previous prime is 211200200021977. The next prime is 211200200022041. The reversal of 211200200022021 is 120220002002112.

It is not a de Polignac number, because 211200200022021 - 2⁹ = 211200200021509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211200200022041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 239184824046 + ... + 239184824928.

It is an arithmetic number, because the mean of its divisors is an integer number (1375369632000).

Almost surely, 2^{211200200022021} is an apocalyptic number.

211200200022021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

211200200022021 is a deficient number, since it is larger than the sum of its proper divisors (140894425769979).

211200200022021 is a wasteful number, since it uses less digits than its factorization.

211200200022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 211200200022021 its reverse (120220002002112), we get a palindrome (331420202024133).

The spelling of 211200200022021 in words is "two hundred eleven trillion, two hundred billion, two hundred million, twenty-two thousand, twenty-one".