211200112020021 has 32 divisors (see below), whose sum is σ = 296163558366720. Its totient is φ = 133681305139200.

The previous prime is 211200112020017. The next prime is 211200112020071. The reversal of 211200112020021 is 120020211002112.

It is not a de Polignac number, because 211200112020021 - 2² = 211200112020017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211200112020071) 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, 15083781 + ... + 25493541.

It is an arithmetic number, because the mean of its divisors is an integer number (9255111198960).

Almost surely, 2^{211200112020021} is an apocalyptic number.

It is an amenable number.

211200112020021 is a deficient number, since it is larger than the sum of its proper divisors (84963446346699).

211200112020021 is a wasteful number, since it uses less digits than its factorization.

211200112020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10413677.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211200112020021 its reverse (120020211002112), we get a palindrome (331220323022133).

The spelling of 211200112020021 in words is "two hundred eleven trillion, two hundred billion, one hundred twelve million, twenty thousand, twenty-one".