101221524544073 has 2 divisors, whose sum is σ = 101221524544074. Its totient is φ = 101221524544072.

The previous prime is 101221524543961. The next prime is 101221524544163. The reversal of 101221524544073 is 370445425122101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86020282682944 + 15201241861129 = 9274712^2 + 3898877^2 .

It is a cyclic number.

It is not a de Polignac number, because 101221524544073 - 2⁴⁰ = 100122012916297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101221524544073.

It is not a weakly prime, because it can be changed into another prime (101221524544373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610762272036 + 50610762272037.

It is an arithmetic number, because the mean of its divisors is an integer number (50610762272037).

Almost surely, 2^{101221524544073} is an apocalyptic number.

It is an amenable number.

101221524544073 is a deficient number, since it is larger than the sum of its proper divisors (1).

101221524544073 is an equidigital number, since it uses as much as digits as its factorization.

101221524544073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268800, while the sum is 41.

Adding to 101221524544073 its reverse (370445425122101), we get a palindrome (471666949666174).

The spelling of 101221524544073 in words is "one hundred one trillion, two hundred twenty-one billion, five hundred twenty-four million, five hundred forty-four thousand, seventy-three".