20003401121003 has 2 divisors, whose sum is σ = 20003401121004. Its totient is φ = 20003401121002.

The previous prime is 20003401120987. The next prime is 20003401121027. The reversal of 20003401121003 is 30012110430002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20003401121003 - 2⁴ = 20003401120987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20003401121203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001700560501 + 10001700560502.

It is an arithmetic number, because the mean of its divisors is an integer number (10001700560502).

Almost surely, 2^{20003401121003} is an apocalyptic number.

20003401121003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003401121003 is an equidigital number, since it uses as much as digits as its factorization.

20003401121003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20003401121003 its reverse (30012110430002), we get a palindrome (50015511551005).

The spelling of 20003401121003 in words is "twenty trillion, three billion, four hundred one million, one hundred twenty-one thousand, three".