2121132130 has 64 divisors (see below), whose sum is σ = 4239019008. Its totient is φ = 759191040.

The previous prime is 2121132121. The next prime is 2121132157. The reversal of 2121132130 is 312311212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 888919 + ... + 891301.

It is an arithmetic number, because the mean of its divisors is an integer number (66234672).

Almost surely, 2^2121132130 is an apocalyptic number.

2121132130 is a deficient number, since it is larger than the sum of its proper divisors (2117886878).

2121132130 is a wasteful number, since it uses less digits than its factorization.

2121132130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2121132130 is about 46055.7502381624. The cubic root of 2121132130 is about 1284.8602915531.

Adding to 2121132130 its reverse (312311212), we get a palindrome (2433443342).

The spelling of 2121132130 in words is "two billion, one hundred twenty-one million, one hundred thirty-two thousand, one hundred thirty".