2001002012211 has 16 divisors (see below), whose sum is σ = 2695172014080. Its totient is φ = 1320424063200.

The previous prime is 2001002012209. The next prime is 2001002012287. The reversal of 2001002012211 is 1122102001002.

It is not a de Polignac number, because 2001002012211 - 2¹ = 2001002012209 is a prime.

It is a super-3 number, since 3×2001002012211³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2001002012311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164080 + ... + 2007218.

It is an arithmetic number, because the mean of its divisors is an integer number (168448250880).

Almost surely, 2^{2001002012211} is an apocalyptic number.

2001002012211 is a deficient number, since it is larger than the sum of its proper divisors (694170001869).

2001002012211 is a wasteful number, since it uses less digits than its factorization.

2001002012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846826.

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

Adding to 2001002012211 its reverse (1122102001002), we get a palindrome (3123104013213).

The spelling of 2001002012211 in words is "two trillion, one billion, two million, twelve thousand, two hundred eleven".