2211312213311 has 8 divisors (see below), whose sum is σ = 2256214875264. Its totient is φ = 2166791702040.

The previous prime is 2211312213287. The next prime is 2211312213343. The reversal of 2211312213311 is 1133122131122.

It is a happy number.

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 2211312213311 - 2⁶ = 2211312213247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211312213811) 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, 95525981 + ... + 95549126.

It is an arithmetic number, because the mean of its divisors is an integer number (282026859408).

Almost surely, 2^{2211312213311} is an apocalyptic number.

2211312213311 is a deficient number, since it is larger than the sum of its proper divisors (44902661953).

2211312213311 is a wasteful number, since it uses less digits than its factorization.

2211312213311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191075341.

The product of its digits is 432, while the sum is 23.

Adding to 2211312213311 its reverse (1133122131122), we get a palindrome (3344434344433).

The spelling of 2211312213311 in words is "two trillion, two hundred eleven billion, three hundred twelve million, two hundred thirteen thousand, three hundred eleven".