2231222313011 has 4 divisors (see below), whose sum is σ = 2231225599272. Its totient is φ = 2231219026752.

The previous prime is 2231222312927. The next prime is 2231222313029. The reversal of 2231222313011 is 1103132221322.

2231222313011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231222313011 is a prime.

It is a super-3 number, since 3×2231222313011³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231222313071) 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, 205310 + ... + 2122403.

It is an arithmetic number, because the mean of its divisors is an integer number (557806399818).

Almost surely, 2^{2231222313011} is an apocalyptic number.

2231222313011 is a deficient number, since it is larger than the sum of its proper divisors (3286261).

2231222313011 is an equidigital number, since it uses as much as digits as its factorization.

2231222313011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286260.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2231222313011 its reverse (1103132221322), we get a palindrome (3334354534333).

The spelling of 2231222313011 in words is "two trillion, two hundred thirty-one billion, two hundred twenty-two million, three hundred thirteen thousand, eleven".