102302144442241 has 2 divisors, whose sum is σ = 102302144442242. Its totient is φ = 102302144442240.

The previous prime is 102302144442233. The next prime is 102302144442353. The reversal of 102302144442241 is 142244441203201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52429184640000 + 49872959802241 = 7240800^2 + 7062079^2 .

It is an emirp because it is prime and its reverse (142244441203201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102302144442241 - 2³ = 102302144442233 is a prime.

It is a super-2 number, since 2×102302144442241² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102302144442197 and 102302144442206.

It is not a weakly prime, because it can be changed into another prime (102302144440241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51151072221120 + 51151072221121.

It is an arithmetic number, because the mean of its divisors is an integer number (51151072221121).

Almost surely, 2^{102302144442241} is an apocalyptic number.

It is an amenable number.

102302144442241 is a deficient number, since it is larger than the sum of its proper divisors (1).

102302144442241 is an equidigital number, since it uses as much as digits as its factorization.

102302144442241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 102302144442241 its reverse (142244441203201), we get a palindrome (244546585645442).

The spelling of 102302144442241 in words is "one hundred two trillion, three hundred two billion, one hundred forty-four million, four hundred forty-two thousand, two hundred forty-one".