2420100010243 has 2 divisors, whose sum is σ = 2420100010244. Its totient is φ = 2420100010242.

The previous prime is 2420100010063. The next prime is 2420100010247. The reversal of 2420100010243 is 3420100010242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2420100010243 - 2²¹ = 2420097913091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2420100010243.

It is not a weakly prime, because it can be changed into another prime (2420100010247) 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, 1210050005121 + 1210050005122.

It is an arithmetic number, because the mean of its divisors is an integer number (1210050005122).

Almost surely, 2^{2420100010243} is an apocalyptic number.

2420100010243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420100010243 is an equidigital number, since it uses as much as digits as its factorization.

2420100010243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 2420100010243 its reverse (3420100010242), we get a palindrome (5840200020485).

Subtracting 2420100010243 from its reverse (3420100010242), we obtain a palindrome (999999999999).

The spelling of 2420100010243 in words is "two trillion, four hundred twenty billion, one hundred million, ten thousand, two hundred forty-three".