1053221105243 has 2 divisors, whose sum is σ = 1053221105244. Its totient is φ = 1053221105242.

The previous prime is 1053221105239. The next prime is 1053221105393. The reversal of 1053221105243 is 3425011223501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1053221105243 - 2² = 1053221105239 is a prime.

It is a super-2 number, since 2×1053221105243² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1053221105143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526610552621 + 526610552622.

It is an arithmetic number, because the mean of its divisors is an integer number (526610552622).

Almost surely, 2^{1053221105243} is an apocalyptic number.

1053221105243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053221105243 is an equidigital number, since it uses as much as digits as its factorization.

1053221105243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 1053221105243 its reverse (3425011223501), we get a palindrome (4478232328744).

The spelling of 1053221105243 in words is "one trillion, fifty-three billion, two hundred twenty-one million, one hundred five thousand, two hundred forty-three".