2211231233311 has 8 divisors (see below), whose sum is σ = 2211863900400. Its totient is φ = 2210598668352.

The previous prime is 2211231233297. The next prime is 2211231233333. The reversal of 2211231233311 is 1133321321122.

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

It is a cyclic number.

It is not a de Polignac number, because 2211231233311 - 2¹¹ = 2211231231263 is a prime.

It is a super-2 number, since 2×2211231233311² (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 (2211231233371) 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, 63800715 + ... + 63835363.

It is an arithmetic number, because the mean of its divisors is an integer number (276482987550).

Almost surely, 2^{2211231233311} is an apocalyptic number.

2211231233311 is a deficient number, since it is larger than the sum of its proper divisors (632667089).

2211231233311 is a wasteful number, since it uses less digits than its factorization.

2211231233311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51065.

The product of its digits is 1296, while the sum is 25.

Adding to 2211231233311 its reverse (1133321321122), we get a palindrome (3344552554433).

The spelling of 2211231233311 in words is "two trillion, two hundred eleven billion, two hundred thirty-one million, two hundred thirty-three thousand, three hundred eleven".