21120010130 has 16 divisors (see below), whose sum is σ = 39668889024. Its totient is φ = 8080699440.

The previous prime is 21120010127. The next prime is 21120010169. The reversal of 21120010130 is 3101002112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45912836 + ... + 45913295.

It is an arithmetic number, because the mean of its divisors is an integer number (2479305564).

Almost surely, 2^21120010130 is an apocalyptic number.

21120010130 is a deficient number, since it is larger than the sum of its proper divisors (18548878894).

21120010130 is a wasteful number, since it uses less digits than its factorization.

21120010130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91826161.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 21120010130 its reverse (3101002112), we get a palindrome (24221012242).

The spelling of 21120010130 in words is "twenty-one billion, one hundred twenty million, ten thousand, one hundred thirty".