21112000333 has 2 divisors, whose sum is σ = 21112000334. Its totient is φ = 21112000332.

The previous prime is 21112000313. The next prime is 21112000367. The reversal of 21112000333 is 33300021112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20362719204 + 749281129 = 142698^2 + 27373^2 .

It is a cyclic number.

It is not a de Polignac number, because 21112000333 - 2²¹ = 21109903181 is a prime.

It is a super-2 number, since 2×21112000333² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21112000313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556000166 + 10556000167.

It is an arithmetic number, because the mean of its divisors is an integer number (10556000167).

Almost surely, 2^21112000333 is an apocalyptic number.

It is an amenable number.

21112000333 is a deficient number, since it is larger than the sum of its proper divisors (1).

21112000333 is an equidigital number, since it uses as much as digits as its factorization.

21112000333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21112000333 its reverse (33300021112), we get a palindrome (54412021445).

The spelling of 21112000333 in words is "twenty-one billion, one hundred twelve million, three hundred thirty-three", and thus it is an aban number.