2011110345 has 12 divisors (see below), whose sum is σ = 3485924676. Its totient is φ = 1072592160.

The previous prime is 2011110331. The next prime is 2011110349. The reversal of 2011110345 is 5430111102.

It can be written as a sum of positive squares in 2 ways, for example, as 1597760784 + 413349561 = 39972^2 + 20331^2 .

It is not a de Polignac number, because 2011110345 - 2⁵ = 2011110313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2011110349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22345626 + ... + 22345715.

It is an arithmetic number, because the mean of its divisors is an integer number (290493723).

Almost surely, 2^2011110345 is an apocalyptic number.

It is an amenable number.

2011110345 is a deficient number, since it is larger than the sum of its proper divisors (1474814331).

2011110345 is a wasteful number, since it uses less digits than its factorization.

2011110345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44691352 (or 44691349 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2011110345 is about 44845.4049485563. The cubic root of 2011110345 is about 1262.2497693136.

Adding to 2011110345 its reverse (5430111102), we get a palindrome (7441221447).

The spelling of 2011110345 in words is "two billion, eleven million, one hundred ten thousand, three hundred forty-five".