102102000221237 has 2 divisors, whose sum is σ = 102102000221238. Its totient is φ = 102102000221236.

The previous prime is 102102000221219. The next prime is 102102000221261. The reversal of 102102000221237 is 732122000201201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91867030003441 + 10234970217796 = 9584729^2 + 3199214^2 .

It is a cyclic number.

It is not a de Polignac number, because 102102000221237 - 2¹⁸ = 102101999959093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102102000220237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51051000110618 + 51051000110619.

It is an arithmetic number, because the mean of its divisors is an integer number (51051000110619).

Almost surely, 2^{102102000221237} is an apocalyptic number.

It is an amenable number.

102102000221237 is a deficient number, since it is larger than the sum of its proper divisors (1).

102102000221237 is an equidigital number, since it uses as much as digits as its factorization.

102102000221237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 102102000221237 its reverse (732122000201201), we get a palindrome (834224000422438).

The spelling of 102102000221237 in words is "one hundred two trillion, one hundred two billion, two hundred twenty-one thousand, two hundred thirty-seven".