2003222140421 has 2 divisors, whose sum is σ = 2003222140422. Its totient is φ = 2003222140420.

The previous prime is 2003222140379. The next prime is 2003222140433. The reversal of 2003222140421 is 1240412223002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1991668900225 + 11553240196 = 1411265^2 + 107486^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003222140421 - 2³⁴ = 1986042271237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003222140471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001611070210 + 1001611070211.

It is an arithmetic number, because the mean of its divisors is an integer number (1001611070211).

Almost surely, 2^{2003222140421} is an apocalyptic number.

It is an amenable number.

2003222140421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003222140421 is an equidigital number, since it uses as much as digits as its factorization.

2003222140421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 2003222140421 its reverse (1240412223002), we get a palindrome (3243634363423).

The spelling of 2003222140421 in words is "two trillion, three billion, two hundred twenty-two million, one hundred forty thousand, four hundred twenty-one".