1021324040201 has 2 divisors, whose sum is σ = 1021324040202. Its totient is φ = 1021324040200.

The previous prime is 1021324040183. The next prime is 1021324040213. The reversal of 1021324040201 is 1020404231201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 783083406400 + 238240633801 = 884920^2 + 488099^2 .

It is an emirp because it is prime and its reverse (1020404231201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021324040201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021324040251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510662020100 + 510662020101.

It is an arithmetic number, because the mean of its divisors is an integer number (510662020101).

Almost surely, 2^{1021324040201} is an apocalyptic number.

It is an amenable number.

1021324040201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021324040201 is an equidigital number, since it uses as much as digits as its factorization.

1021324040201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1021324040201 its reverse (1020404231201), we get a palindrome (2041728271402).

The spelling of 1021324040201 in words is "one trillion, twenty-one billion, three hundred twenty-four million, forty thousand, two hundred one".