2001110221011 has 32 divisors (see below), whose sum is σ = 2974455364608. Its totient is φ = 1186263338240.

The previous prime is 2001110220983. The next prime is 2001110221021. The reversal of 2001110221011 is 1101220111002.

It is a cyclic number.

It is not a de Polignac number, because 2001110221011 - 2¹⁹ = 2001109696723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001110221021) 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, 2144911 + ... + 2933063.

It is an arithmetic number, because the mean of its divisors is an integer number (92951730144).

Almost surely, 2^{2001110221011} is an apocalyptic number.

2001110221011 is a deficient number, since it is larger than the sum of its proper divisors (973345143597).

2001110221011 is a wasteful number, since it uses less digits than its factorization.

2001110221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789851.

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

Adding to 2001110221011 its reverse (1101220111002), we get a palindrome (3102330332013).

The spelling of 2001110221011 in words is "two trillion, one billion, one hundred ten million, two hundred twenty-one thousand, eleven".