21120112000011 has 4 divisors (see below), whose sum is σ = 28160149333352. Its totient is φ = 14080074666672.

The previous prime is 21120112000003. The next prime is 21120112000027. The reversal of 21120112000011 is 11000021102112.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 21120112000011 - 2³ = 21120112000003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21120112000711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3520018666666 + ... + 3520018666671.

It is an arithmetic number, because the mean of its divisors is an integer number (7040037333338).

Almost surely, 2^{21120112000011} is an apocalyptic number.

21120112000011 is a deficient number, since it is larger than the sum of its proper divisors (7040037333341).

21120112000011 is an equidigital number, since it uses as much as digits as its factorization.

21120112000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040037333340.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 21120112000011 its reverse (11000021102112), we get a palindrome (32120133102123).

The spelling of 21120112000011 in words is "twenty-one trillion, one hundred twenty billion, one hundred twelve million, eleven", and thus it is an aban number.