2111332305 has 16 divisors (see below), whose sum is σ = 3433512384. Its totient is φ = 1107583680.

The previous prime is 2111332303. The next prime is 2111332313. The reversal of 2111332305 is 5032331112.

It is not a de Polignac number, because 2111332305 - 2¹ = 2111332303 is a prime.

It is a super-2 number, since 2×2111332305² = 8915448204273226050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2111332303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1152819 + ... + 1154648.

It is an arithmetic number, because the mean of its divisors is an integer number (214594524).

Almost surely, 2^2111332305 is an apocalyptic number.

It is an amenable number.

2111332305 is a deficient number, since it is larger than the sum of its proper divisors (1322180079).

2111332305 is a wasteful number, since it uses less digits than its factorization.

2111332305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307536.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 2111332305 is about 45949.2361742826. The cubic root of 2111332305 is about 1282.8785122784.

Adding to 2111332305 its reverse (5032331112), we get a palindrome (7143663417).

The spelling of 2111332305 in words is "two billion, one hundred eleven million, three hundred thirty-two thousand, three hundred five".