102010144321 has 2 divisors, whose sum is σ = 102010144322. Its totient is φ = 102010144320.

The previous prime is 102010144319. The next prime is 102010144337. The reversal of 102010144321 is 123441010201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93232515600 + 8777628721 = 305340^2 + 93689^2 .

It is a cyclic number.

It is not a de Polignac number, because 102010144321 - 2¹ = 102010144319 is a prime.

Together with 102010144319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102010144361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005072160 + 51005072161.

It is an arithmetic number, because the mean of its divisors is an integer number (51005072161).

Almost surely, 2^102010144321 is an apocalyptic number.

It is an amenable number.

102010144321 is a deficient number, since it is larger than the sum of its proper divisors (1).

102010144321 is an equidigital number, since it uses as much as digits as its factorization.

102010144321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 102010144321 its reverse (123441010201), we get a palindrome (225451154522).

The spelling of 102010144321 in words is "one hundred two billion, ten million, one hundred forty-four thousand, three hundred twenty-one".