102443213211697 has 2 divisors, whose sum is σ = 102443213211698. Its totient is φ = 102443213211696.

The previous prime is 102443213211641. The next prime is 102443213211701. The reversal of 102443213211697 is 796112312344201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87488317683361 + 14954895528336 = 9353519^2 + 3867156^2 .

It is a cyclic number.

It is not a de Polignac number, because 102443213211697 - 2⁷ = 102443213211569 is a prime.

It is a super-2 number, since 2×102443213211697² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102443213211637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51221606605848 + 51221606605849.

It is an arithmetic number, because the mean of its divisors is an integer number (51221606605849).

Almost surely, 2^{102443213211697} is an apocalyptic number.

It is an amenable number.

102443213211697 is a deficient number, since it is larger than the sum of its proper divisors (1).

102443213211697 is an equidigital number, since it uses as much as digits as its factorization.

102443213211697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 46.

Adding to 102443213211697 its reverse (796112312344201), we get a palindrome (898555525555898).

The spelling of 102443213211697 in words is "one hundred two trillion, four hundred forty-three billion, two hundred thirteen million, two hundred eleven thousand, six hundred ninety-seven".