2421144022243 has 2 divisors, whose sum is σ = 2421144022244. Its totient is φ = 2421144022242.

The previous prime is 2421144022207. The next prime is 2421144022259. The reversal of 2421144022243 is 3422204411242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2421144022243 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421144022043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210572011121 + 1210572011122.

It is an arithmetic number, because the mean of its divisors is an integer number (1210572011122).

Almost surely, 2^{2421144022243} is an apocalyptic number.

2421144022243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421144022243 is an equidigital number, since it uses as much as digits as its factorization.

2421144022243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 2421144022243 its reverse (3422204411242), we get a palindrome (5843348433485).

The spelling of 2421144022243 in words is "two trillion, four hundred twenty-one billion, one hundred forty-four million, twenty-two thousand, two hundred forty-three".