2003111121241 has 2 divisors, whose sum is σ = 2003111121242. Its totient is φ = 2003111121240.

The previous prime is 2003111121199. The next prime is 2003111121247. The reversal of 2003111121241 is 1421211113002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1100392608016 + 902718513225 = 1048996^2 + 950115^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003111121241 - 2¹³ = 2003111113049 is a prime.

It is not a weakly prime, because it can be changed into another prime (2003111121247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001555560620 + 1001555560621.

It is an arithmetic number, because the mean of its divisors is an integer number (1001555560621).

Almost surely, 2^{2003111121241} is an apocalyptic number.

It is an amenable number.

2003111121241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003111121241 is an equidigital number, since it uses as much as digits as its factorization.

2003111121241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2003111121241 its reverse (1421211113002), we get a palindrome (3424322234243).

The spelling of 2003111121241 in words is "two trillion, three billion, one hundred eleven million, one hundred twenty-one thousand, two hundred forty-one".