2101330228 has 12 divisors (see below), whose sum is σ = 3718646820. Its totient is φ = 1038859712.

The previous prime is 2101330223. The next prime is 2101330229. The reversal of 2101330228 is 8220331012.

It can be written as a sum of positive squares in 2 ways, for example, as 1368112144 + 733218084 = 36988^2 + 27078^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2101330199 and 2101330208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101330223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2950951 + ... + 2951662.

It is an arithmetic number, because the mean of its divisors is an integer number (309887235).

Almost surely, 2^2101330228 is an apocalyptic number.

It is an amenable number.

2101330228 is a deficient number, since it is larger than the sum of its proper divisors (1617316592).

2101330228 is a wasteful number, since it uses less digits than its factorization.

2101330228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5902706 (or 5902704 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2101330228 is about 45840.2686292303. The cubic root of 2101330228 is about 1280.8494987504.

The spelling of 2101330228 in words is "two billion, one hundred one million, three hundred thirty thousand, two hundred twenty-eight".