2001211100211 has 8 divisors (see below), whose sum is σ = 2754355062784. Its totient is φ = 1291103935560.

The previous prime is 2001211100191. The next prime is 2001211100243. The reversal of 2001211100211 is 1120011121002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2001211100211 - 2³⁸ = 1726333193267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001211105211) 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, 10759199371 + ... + 10759199556.

It is an arithmetic number, because the mean of its divisors is an integer number (344294382848).

Almost surely, 2^{2001211100211} is an apocalyptic number.

2001211100211 is a deficient number, since it is larger than the sum of its proper divisors (753143962573).

2001211100211 is a wasteful number, since it uses less digits than its factorization.

2001211100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21518398961.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2001211100211 its reverse (1120011121002), we get a palindrome (3121222221213).

The spelling of 2001211100211 in words is "two trillion, one billion, two hundred eleven million, one hundred thousand, two hundred eleven".