2011321120311 has 6 divisors (see below), whose sum is σ = 2905241618240. Its totient is φ = 1340880746868.

The previous prime is 2011321120301. The next prime is 2011321120339. The reversal of 2011321120311 is 1130211231102.

2011321120311 is a `hidden beast` number, since 2 + 0 + 11 + 321 + 1 + 20 + 311 = 666.

It is not a de Polignac number, because 2011321120311 - 2¹⁵ = 2011321087543 is a prime.

It is a super-2 number, since 2×2011321120311² (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 (2011321120301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111740062231 + ... + 111740062248.

Almost surely, 2^{2011321120311} is an apocalyptic number.

2011321120311 is a deficient number, since it is larger than the sum of its proper divisors (893920497929).

2011321120311 is a wasteful number, since it uses less digits than its factorization.

2011321120311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223480124485 (or 223480124482 counting only the distinct ones).

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

Adding to 2011321120311 its reverse (1130211231102), we get a palindrome (3141532351413).

The spelling of 2011321120311 in words is "two trillion, eleven billion, three hundred twenty-one million, one hundred twenty thousand, three hundred eleven".