506121022003 has 2 divisors, whose sum is σ = 506121022004. Its totient is φ = 506121022002.

The previous prime is 506121021977. The next prime is 506121022031. The reversal of 506121022003 is 300220121605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506121022003 - 2⁹ = 506121021491 is a prime.

It is a super-2 number, since 2×506121022003² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (506121022903) 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, 253060511001 + 253060511002.

It is an arithmetic number, because the mean of its divisors is an integer number (253060511002).

Almost surely, 2^506121022003 is an apocalyptic number.

506121022003 is a deficient number, since it is larger than the sum of its proper divisors (1).

506121022003 is an equidigital number, since it uses as much as digits as its factorization.

506121022003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 506121022003 its reverse (300220121605), we get a palindrome (806341143608).

The spelling of 506121022003 in words is "five hundred six billion, one hundred twenty-one million, twenty-two thousand, three".