2011230003311 has 4 divisors (see below), whose sum is σ = 2023273296912. Its totient is φ = 1999186709712.

The previous prime is 2011230003287. The next prime is 2011230003337. The reversal of 2011230003311 is 1133000321102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2011230003311 - 2¹⁸ = 2011229741167 is a prime.

It is a super-2 number, since 2×2011230003311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2011230003311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011230003911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6021646550 + ... + 6021646883.

It is an arithmetic number, because the mean of its divisors is an integer number (505818324228).

Almost surely, 2^{2011230003311} is an apocalyptic number.

2011230003311 is a deficient number, since it is larger than the sum of its proper divisors (12043293601).

2011230003311 is a wasteful number, since it uses less digits than its factorization.

2011230003311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12043293600.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 2011230003311 its reverse (1133000321102), we get a palindrome (3144230324413).

The spelling of 2011230003311 in words is "two trillion, eleven billion, two hundred thirty million, three thousand, three hundred eleven".