2001211120213 has 8 divisors (see below), whose sum is σ = 2118950039808. Its totient is φ = 1883474491584.

The previous prime is 2001211120211. The next prime is 2001211120219. The reversal of 2001211120213 is 3120211121002.

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

It is not a de Polignac number, because 2001211120213 - 2¹ = 2001211120211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001211120211) 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 7 ways as a sum of consecutive naturals, for example, 1424770 + ... + 2456092.

It is an arithmetic number, because the mean of its divisors is an integer number (264868754976).

Almost surely, 2^{2001211120213} is an apocalyptic number.

It is an amenable number.

2001211120213 is a deficient number, since it is larger than the sum of its proper divisors (117738919595).

2001211120213 is a wasteful number, since it uses less digits than its factorization.

2001211120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145483.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2001211120213 its reverse (3120211121002), we get a palindrome (5121422241215).

The spelling of 2001211120213 in words is "two trillion, one billion, two hundred eleven million, one hundred twenty thousand, two hundred thirteen".