102012602401321 has 2 divisors, whose sum is σ = 102012602401322. Its totient is φ = 102012602401320.

The previous prime is 102012602401277. The next prime is 102012602401361. The reversal of 102012602401321 is 123104206210201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101214947998096 + 797654403225 = 10060564^2 + 893115^2 .

It is a cyclic number.

It is not a de Polignac number, because 102012602401321 - 2¹¹ = 102012602399273 is a prime.

It is a super-3 number, since 3×102012602401321³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (102012602401361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006301200660 + 51006301200661.

It is an arithmetic number, because the mean of its divisors is an integer number (51006301200661).

Almost surely, 2^{102012602401321} is an apocalyptic number.

It is an amenable number.

102012602401321 is a deficient number, since it is larger than the sum of its proper divisors (1).

102012602401321 is an equidigital number, since it uses as much as digits as its factorization.

102012602401321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 102012602401321 its reverse (123104206210201), we get a palindrome (225116808611522).

The spelling of 102012602401321 in words is "one hundred two trillion, twelve billion, six hundred two million, four hundred one thousand, three hundred twenty-one".