21112000000130 has 16 divisors (see below), whose sum is σ = 40924800000504. Its totient is φ = 7795200000000.

The previous prime is 21112000000123. The next prime is 21112000000159. The reversal of 21112000000130 is 3100000021112.

It can be written as a sum of positive squares in 4 ways, for example, as 9573634268641 + 11538365731489 = 3094129^2 + 3396817^2 .

It is an unprimeable number.

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, 81199999871 + ... + 81200000130.

Almost surely, 2^{21112000000130} is an apocalyptic number.

21112000000130 is a deficient number, since it is larger than the sum of its proper divisors (19812800000374).

21112000000130 is a wasteful number, since it uses less digits than its factorization.

21112000000130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162400000021.

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

Adding to 21112000000130 its reverse (3100000021112), we get a palindrome (24212000021242).

The spelling of 21112000000130 in words is "twenty-one trillion, one hundred twelve billion, one hundred thirty", and thus it is an aban number.