2011021311213 has 24 divisors (see below), whose sum is σ = 2923185222048. Its totient is φ = 1332221932512.

The previous prime is 2011021311203. The next prime is 2011021311263. The reversal of 2011021311213 is 3121131201102.

It is not a de Polignac number, because 2011021311213 - 2¹⁰ = 2011021310189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011021311203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127431 + ... + 2009547.

It is an arithmetic number, because the mean of its divisors is an integer number (121799384252).

Almost surely, 2^{2011021311213} is an apocalyptic number.

It is an amenable number.

2011021311213 is a deficient number, since it is larger than the sum of its proper divisors (912163910835).

2011021311213 is a wasteful number, since it uses less digits than its factorization.

2011021311213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882873 (or 1882870 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2011021311213 its reverse (3121131201102), we get a palindrome (5132152512315).

The spelling of 2011021311213 in words is "two trillion, eleven billion, twenty-one million, three hundred eleven thousand, two hundred thirteen".