2011330321231 has 16 divisors (see below), whose sum is σ = 2507724864000. Its totient is φ = 1567212720480.

The previous prime is 2011330321181. The next prime is 2011330321279. The reversal of 2011330321231 is 1321230331102.

It is not a de Polignac number, because 2011330321231 - 2¹⁵ = 2011330288463 is a prime.

It is a super-2 number, since 2×2011330321231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011330322231) 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, 1689270 + ... + 2622268.

It is an arithmetic number, because the mean of its divisors is an integer number (156732804000).

Almost surely, 2^{2011330321231} is an apocalyptic number.

2011330321231 is a deficient number, since it is larger than the sum of its proper divisors (496394542769).

2011330321231 is a wasteful number, since it uses less digits than its factorization.

2011330321231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961014.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2011330321231 its reverse (1321230331102), we get a palindrome (3332560652333).

The spelling of 2011330321231 in words is "two trillion, eleven billion, three hundred thirty million, three hundred twenty-one thousand, two hundred thirty-one".