21122030000003 has 2 divisors, whose sum is σ = 21122030000004. Its totient is φ = 21122030000002.

The previous prime is 21122029999969. The next prime is 21122030000011. The reversal of 21122030000003 is 30000003022112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21122030000003 - 2¹² = 21122029995907 is a prime.

It is a super-2 number, since 2×21122030000003² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21122030000033) 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 as a sum of consecutive naturals, namely, 10561015000001 + 10561015000002.

It is an arithmetic number, because the mean of its divisors is an integer number (10561015000002).

Almost surely, 2^{21122030000003} is an apocalyptic number.

21122030000003 is a deficient number, since it is larger than the sum of its proper divisors (1).

21122030000003 is an equidigital number, since it uses as much as digits as its factorization.

21122030000003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 21122030000003 its reverse (30000003022112), we get a palindrome (51122033022115).

The spelling of 21122030000003 in words is "twenty-one trillion, one hundred twenty-two billion, thirty million, three", and thus it is an aban number.