2102002130 has 8 divisors (see below), whose sum is σ = 3783603852. Its totient is φ = 840800848.

The previous prime is 2102002109. The next prime is 2102002139. The reversal of 2102002130 is 312002012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2043311209 + 58690921 = 45203^2 + 7661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2102002139) 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, 105100097 + ... + 105100116.

Almost surely, 2^2102002130 is an apocalyptic number.

2102002130 is a deficient number, since it is larger than the sum of its proper divisors (1681601722).

2102002130 is a wasteful number, since it uses less digits than its factorization.

2102002130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210200220.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2102002130 is about 45847.5967745312. The cubic root of 2102002130 is about 1280.9860017488.

Adding to 2102002130 its reverse (312002012), we get a palindrome (2414004142).

The spelling of 2102002130 in words is "two billion, one hundred two million, two thousand, one hundred thirty".