2133111005 has 4 divisors (see below), whose sum is σ = 2559733212. Its totient is φ = 1706488800.

The previous prime is 2133110999. The next prime is 2133111017. The reversal of 2133111005 is 5001113312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 496665796 + 1636445209 = 22286^2 + 40453^2 .

It is not a de Polignac number, because 2133111005 - 2²² = 2128916701 is a prime.

It is a super-2 number, since 2×2133111005² = 9100325119304220050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213311096 + ... + 213311105.

It is an arithmetic number, because the mean of its divisors is an integer number (639933303).

Almost surely, 2^2133111005 is an apocalyptic number.

It is an amenable number.

2133111005 is a deficient number, since it is larger than the sum of its proper divisors (426622207).

2133111005 is an equidigital number, since it uses as much as digits as its factorization.

2133111005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426622206.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 2133111005 is about 46185.6146976523. The cubic root of 2133111005 is about 1287.2744579944.

Adding to 2133111005 its reverse (5001113312), we get a palindrome (7134224317).

The spelling of 2133111005 in words is "two billion, one hundred thirty-three million, one hundred eleven thousand, five".