102321032301281 has 2 divisors, whose sum is σ = 102321032301282. Its totient is φ = 102321032301280.

The previous prime is 102321032301239. The next prime is 102321032301361. The reversal of 102321032301281 is 182103230123201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69382386092881 + 32938646208400 = 8329609^2 + 5739220^2 .

It is a cyclic number.

It is not a de Polignac number, because 102321032301281 - 2²² = 102321028106977 is a prime.

It is a super-2 number, since 2×102321032301281² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102321032301181) 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, 51160516150640 + 51160516150641.

It is an arithmetic number, because the mean of its divisors is an integer number (51160516150641).

Almost surely, 2^{102321032301281} is an apocalyptic number.

It is an amenable number.

102321032301281 is a deficient number, since it is larger than the sum of its proper divisors (1).

102321032301281 is an equidigital number, since it uses as much as digits as its factorization.

102321032301281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 102321032301281 its reverse (182103230123201), we get a palindrome (284424262424482).

The spelling of 102321032301281 in words is "one hundred two trillion, three hundred twenty-one billion, thirty-two million, three hundred one thousand, two hundred eighty-one".