2101130000 has 50 divisors (see below), whose sum is σ = 5087070054. Its totient is φ = 840448000.

The previous prime is 2101129999. The next prime is 2101130041. The reversal of 2101130000 is 311012.

It can be written as a sum of positive squares in 5 ways, for example, as 477684736 + 1623445264 = 21856^2 + 40292^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2101130000.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 95057 + ... + 115056.

Almost surely, 2^2101130000 is an apocalyptic number.

2101130000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101130000 is an abundant number, since it is smaller than the sum of its proper divisors (2985940054).

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

2101130000 is an equidigital number, since it uses as much as digits as its factorization.

2101130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210141 (or 210120 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 2101130000 is about 45838.0846022170. The cubic root of 2101130000 is about 1280.8088149848.

Adding to 2101130000 its reverse (311012), we get a palindrome (2101441012).

The spelling of 2101130000 in words is "two billion, one hundred one million, one hundred thirty thousand".