2100321130 has 16 divisors (see below), whose sum is σ = 3944951424. Its totient is φ = 803601040.

The previous prime is 2100321127. The next prime is 2100321131. The reversal of 2100321130 is 311230012.

It is a super-2 number, since 2×2100321130² = 8822697698248953800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2100321130.

It is not an unprimeable number, because it can be changed into a prime (2100321131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4565686 + ... + 4566145.

It is an arithmetic number, because the mean of its divisors is an integer number (246559464).

Almost surely, 2^2100321130 is an apocalyptic number.

2100321130 is a deficient number, since it is larger than the sum of its proper divisors (1844630294).

2100321130 is a wasteful number, since it uses less digits than its factorization.

2100321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9131861.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2100321130 is about 45829.2606311732. The cubic root of 2100321130 is about 1280.6444366426.

Adding to 2100321130 its reverse (311230012), we get a palindrome (2411551142).

The spelling of 2100321130 in words is "two billion, one hundred million, three hundred twenty-one thousand, one hundred thirty".