102102201241 has 2 divisors, whose sum is σ = 102102201242. Its totient is φ = 102102201240.

The previous prime is 102102201203. The next prime is 102102201247. The reversal of 102102201241 is 142102201201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74213201241 + 27889000000 = 272421^2 + 167000^2 .

It is a cyclic number.

It is not a de Polignac number, because 102102201241 - 2⁹ = 102102200729 is a prime.

It is not a weakly prime, because it can be changed into another prime (102102201247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51051100620 + 51051100621.

It is an arithmetic number, because the mean of its divisors is an integer number (51051100621).

Almost surely, 2^102102201241 is an apocalyptic number.

It is an amenable number.

102102201241 is a deficient number, since it is larger than the sum of its proper divisors (1).

102102201241 is an equidigital number, since it uses as much as digits as its factorization.

102102201241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102102201241 its reverse (142102201201), we get a palindrome (244204402442).

The spelling of 102102201241 in words is "one hundred two billion, one hundred two million, two hundred one thousand, two hundred forty-one".