2111331043 has 8 divisors (see below), whose sum is σ = 2194070400. Its totient is φ = 2029506240.

The previous prime is 2111331041. The next prime is 2111331059. The reversal of 2111331043 is 3401331112.

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 2111331043 - 2¹ = 2111331041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2111331043.

It is not an unprimeable number, because it can be changed into a prime (2111331041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223930 + ... + 233167.

It is an arithmetic number, because the mean of its divisors is an integer number (274258800).

Almost surely, 2^2111331043 is an apocalyptic number.

2111331043 is a deficient number, since it is larger than the sum of its proper divisors (82739357).

2111331043 is a wasteful number, since it uses less digits than its factorization.

2111331043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457277.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2111331043 is about 45949.2224417345. Note that the first 3 decimals coincide. The cubic root of 2111331043 is about 1282.8782566747.

Adding to 2111331043 its reverse (3401331112), we get a palindrome (5512662155).

The spelling of 2111331043 in words is "two billion, one hundred eleven million, three hundred thirty-one thousand, forty-three".