2100111330 has 16 divisors (see below), whose sum is σ = 5040267264. Its totient is φ = 560029680.

The previous prime is 2100111329. The next prime is 2100111331. The reversal of 2100111330 is 331110012.

It is an interprime number because it is at equal distance from previous prime (2100111329) and next prime (2100111331).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2100111331) 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, 35001826 + ... + 35001885.

It is an arithmetic number, because the mean of its divisors is an integer number (315016704).

Almost surely, 2^2100111330 is an apocalyptic number.

2100111330 is an abundant number, since it is smaller than the sum of its proper divisors (2940155934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100111330 is a wasteful number, since it uses less digits than its factorization.

2100111330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70003721.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 2100111330 is about 45826.9716433456. The cubic root of 2100111330 is about 1280.6017942509.

Adding to 2100111330 its reverse (331110012), we get a palindrome (2431221342).

The spelling of 2100111330 in words is "two billion, one hundred million, one hundred eleven thousand, three hundred thirty".