2001100013211 has 32 divisors (see below), whose sum is σ = 3052924015680. Its totient is φ = 1159008041472.

The previous prime is 2001100013207. The next prime is 2001100013233. The reversal of 2001100013211 is 1123100011002.

It is not a de Polignac number, because 2001100013211 - 2² = 2001100013207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001100013911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5030280 + ... + 5413493.

It is an arithmetic number, because the mean of its divisors is an integer number (95403875490).

Almost surely, 2^{2001100013211} is an apocalyptic number.

2001100013211 is a deficient number, since it is larger than the sum of its proper divisors (1051824002469).

2001100013211 is a wasteful number, since it uses less digits than its factorization.

2001100013211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10443840 (or 10443806 counting only the distinct ones).

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

Adding to 2001100013211 its reverse (1123100011002), we get a palindrome (3124200024213).

The spelling of 2001100013211 in words is "two trillion, one billion, one hundred million, thirteen thousand, two hundred eleven".