101043140221 has 2 divisors, whose sum is σ = 101043140222. Its totient is φ = 101043140220.

The previous prime is 101043140201. The next prime is 101043140251. The reversal of 101043140221 is 122041340101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99600204025 + 1442936196 = 315595^2 + 37986^2 .

It is a cyclic number.

It is not a de Polignac number, because 101043140221 - 2¹¹ = 101043138173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101043140201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50521570110 + 50521570111.

It is an arithmetic number, because the mean of its divisors is an integer number (50521570111).

Almost surely, 2^101043140221 is an apocalyptic number.

It is an amenable number.

101043140221 is a deficient number, since it is larger than the sum of its proper divisors (1).

101043140221 is an equidigital number, since it uses as much as digits as its factorization.

101043140221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 101043140221 its reverse (122041340101), we get a palindrome (223084480322).

The spelling of 101043140221 in words is "one hundred one billion, forty-three million, one hundred forty thousand, two hundred twenty-one".