102443215211641 has 2 divisors, whose sum is σ = 102443215211642. Its totient is φ = 102443215211640.

The previous prime is 102443215211633. The next prime is 102443215211851. The reversal of 102443215211641 is 146112512344201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63084894760000 + 39358320451641 = 7942600^2 + 6273621^2 .

It is a cyclic number.

It is not a de Polignac number, because 102443215211641 - 2³ = 102443215211633 is a prime.

It is a super-2 number, since 2×102443215211641² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102443215211641.

It is not a weakly prime, because it can be changed into another prime (102443215211341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51221607605820 + 51221607605821.

It is an arithmetic number, because the mean of its divisors is an integer number (51221607605821).

Almost surely, 2^{102443215211641} is an apocalyptic number.

It is an amenable number.

102443215211641 is a deficient number, since it is larger than the sum of its proper divisors (1).

102443215211641 is an equidigital number, since it uses as much as digits as its factorization.

102443215211641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 37.

Adding to 102443215211641 its reverse (146112512344201), we get a palindrome (248555727555842).

The spelling of 102443215211641 in words is "one hundred two trillion, four hundred forty-three billion, two hundred fifteen million, two hundred eleven thousand, six hundred forty-one".