102442403422441 has 2 divisors, whose sum is σ = 102442403422442. Its totient is φ = 102442403422440.

The previous prime is 102442403422439. The next prime is 102442403422621. The reversal of 102442403422441 is 144224304244201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55312256202841 + 47130147219600 = 7437221^2 + 6865140^2 .

It is a cyclic number.

It is not a de Polignac number, because 102442403422441 - 2¹ = 102442403422439 is a prime.

Together with 102442403422439, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 102442403422441.

It is not a weakly prime, because it can be changed into another prime (102442403429441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51221201711220 + 51221201711221.

It is an arithmetic number, because the mean of its divisors is an integer number (51221201711221).

Almost surely, 2^{102442403422441} is an apocalyptic number.

It is an amenable number.

102442403422441 is a deficient number, since it is larger than the sum of its proper divisors (1).

102442403422441 is an equidigital number, since it uses as much as digits as its factorization.

102442403422441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196608, while the sum is 37.

Adding to 102442403422441 its reverse (144224304244201), we get a palindrome (246666707666642).

The spelling of 102442403422441 in words is "one hundred two trillion, four hundred forty-two billion, four hundred three million, four hundred twenty-two thousand, four hundred forty-one".