2111343011 has 8 divisors (see below), whose sum is σ = 2192470224. Its totient is φ = 2031626880.

The previous prime is 2111342923. The next prime is 2111343049. The reversal of 2111343011 is 1103431112.

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 2111343011 - 2¹⁴ = 2111326627 is a prime.

It is a super-2 number, since 2×2111343011² = 8915538620197092242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111343211) 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 7 ways as a sum of consecutive naturals, for example, 349721 + ... + 355706.

It is an arithmetic number, because the mean of its divisors is an integer number (274058778).

Almost surely, 2^2111343011 is an apocalyptic number.

2111343011 is a deficient number, since it is larger than the sum of its proper divisors (81127213).

2111343011 is an equidigital number, since it uses as much as digits as its factorization.

2111343011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705541.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2111343011 is about 45949.3526722630. The cubic root of 2111343011 is about 1282.8806806524.

Adding to 2111343011 its reverse (1103431112), we get a palindrome (3214774123).

The spelling of 2111343011 in words is "two billion, one hundred eleven million, three hundred forty-three thousand, eleven".