101221221003143 has 2 divisors, whose sum is σ = 101221221003144. Its totient is φ = 101221221003142.

The previous prime is 101221221003131. The next prime is 101221221003169. The reversal of 101221221003143 is 341300122122101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101221221003143 - 2¹⁰ = 101221221002119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101221221003173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610610501571 + 50610610501572.

It is an arithmetic number, because the mean of its divisors is an integer number (50610610501572).

Almost surely, 2^{101221221003143} is an apocalyptic number.

101221221003143 is a deficient number, since it is larger than the sum of its proper divisors (1).

101221221003143 is an equidigital number, since it uses as much as digits as its factorization.

101221221003143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 101221221003143 its reverse (341300122122101), we get a palindrome (442521343125244).

The spelling of 101221221003143 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred twenty-one million, three thousand, one hundred forty-three".