2211112343 has 4 divisors (see below), whose sum is σ = 2412122568. Its totient is φ = 2010102120.

The previous prime is 2211112339. The next prime is 2211112363. The reversal of 2211112343 is 3432111122.

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 2211112343 - 2² = 2211112339 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 (2211112313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100505096 + ... + 100505117.

It is an arithmetic number, because the mean of its divisors is an integer number (603030642).

Almost surely, 2^2211112343 is an apocalyptic number.

2211112343 is a deficient number, since it is larger than the sum of its proper divisors (201010225).

2211112343 is a wasteful number, since it uses less digits than its factorization.

2211112343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201010224.

The product of its digits is 288, while the sum is 20.

The square root of 2211112343 is about 47022.4663644943. The cubic root of 2211112343 is about 1302.7775608833. Note that the first 3 decimals are identical.

Adding to 2211112343 its reverse (3432111122), we get a palindrome (5643223465).

The spelling of 2211112343 in words is "two billion, two hundred eleven million, one hundred twelve thousand, three hundred forty-three".