21112012000003 has 16 divisors (see below), whose sum is σ = 21709520350560. Its totient is φ = 20515933152000.

The previous prime is 21112011999989. The next prime is 21112012000019. The reversal of 21112012000003 is 30000021021112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21112012000003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21112012000043) 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 15 ways as a sum of consecutive naturals, for example, 119424228 + ... + 119600878.

It is an arithmetic number, because the mean of its divisors is an integer number (1356845021910).

Almost surely, 2^{21112012000003} is an apocalyptic number.

21112012000003 is a deficient number, since it is larger than the sum of its proper divisors (597508350557).

21112012000003 is a wasteful number, since it uses less digits than its factorization.

21112012000003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180678.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21112012000003 its reverse (30000021021112), we get a palindrome (51112033021115).

The spelling of 21112012000003 in words is "twenty-one trillion, one hundred twelve billion, twelve million, three", and thus it is an aban number.