2101330111 has 8 divisors (see below), whose sum is σ = 2175195600. Its totient is φ = 2027558400.

The previous prime is 2101330103. The next prime is 2101330151. The reversal of 2101330111 is 1110331012.

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 2101330111 - 2³ = 2101330103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101330091 and 2101330100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101330151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23800 + ... + 69058.

It is an arithmetic number, because the mean of its divisors is an integer number (271899450).

Almost surely, 2^2101330111 is an apocalyptic number.

2101330111 is a deficient number, since it is larger than the sum of its proper divisors (73865489).

2101330111 is a wasteful number, since it uses less digits than its factorization.

2101330111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46889.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 2101330111 is about 45840.2673530598. The cubic root of 2101330111 is about 1280.8494749783.

Adding to 2101330111 its reverse (1110331012), we get a palindrome (3211661123).

Subtracting from 2101330111 its reverse (1110331012), we obtain a palindrome (990999099).

The spelling of 2101330111 in words is "two billion, one hundred one million, three hundred thirty thousand, one hundred eleven".