102553305034321 has 2 divisors, whose sum is σ = 102553305034322. Its totient is φ = 102553305034320.

The previous prime is 102553305034283. The next prime is 102553305034357. The reversal of 102553305034321 is 123430503355201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102531096583696 + 22208450625 = 10125764^2 + 149025^2 .

It is a cyclic number.

It is not a de Polignac number, because 102553305034321 - 2¹¹ = 102553305032273 is a prime.

It is not a weakly prime, because it can be changed into another prime (102553305004321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51276652517160 + 51276652517161.

It is an arithmetic number, because the mean of its divisors is an integer number (51276652517161).

Almost surely, 2^{102553305034321} is an apocalyptic number.

It is an amenable number.

102553305034321 is a deficient number, since it is larger than the sum of its proper divisors (1).

102553305034321 is an equidigital number, since it uses as much as digits as its factorization.

102553305034321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 37.

Adding to 102553305034321 its reverse (123430503355201), we get a palindrome (225983808389522).

The spelling of 102553305034321 in words is "one hundred two trillion, five hundred fifty-three billion, three hundred five million, thirty-four thousand, three hundred twenty-one".