2001001101211 has 16 divisors (see below), whose sum is σ = 2307242271744. Its totient is φ = 1699857823104.

The previous prime is 2001001101179. The next prime is 2001001101347. The reversal of 2001001101211 is 1121011001002.

It is not a de Polignac number, because 2001001101211 - 2⁵ = 2001001101179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001004101211) 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, 13966606 + ... + 14109148.

It is an arithmetic number, because the mean of its divisors is an integer number (144202641984).

Almost surely, 2^{2001001101211} is an apocalyptic number.

2001001101211 is a deficient number, since it is larger than the sum of its proper divisors (306241170533).

2001001101211 is a wasteful number, since it uses less digits than its factorization.

2001001101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160410.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2001001101211 its reverse (1121011001002), we get a palindrome (3122012102213).

The spelling of 2001001101211 in words is "two trillion, one billion, one million, one hundred one thousand, two hundred eleven".