2421321103 has 2 divisors, whose sum is σ = 2421321104. Its totient is φ = 2421321102.

The previous prime is 2421321079. The next prime is 2421321121. The reversal of 2421321103 is 3011231242.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2421321103 - 2²¹ = 2419223951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421321163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210660551 + 1210660552.

It is an arithmetic number, because the mean of its divisors is an integer number (1210660552).

Almost surely, 2^2421321103 is an apocalyptic number.

2421321103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421321103 is an equidigital number, since it uses as much as digits as its factorization.

2421321103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2421321103 is about 49206.9212916232. The cubic root of 2421321103 is about 1342.8189529380.

Adding to 2421321103 its reverse (3011231242), we get a palindrome (5432552345).

The spelling of 2421321103 in words is "two billion, four hundred twenty-one million, three hundred twenty-one thousand, one hundred three".