1021202320001 has 2 divisors, whose sum is σ = 1021202320002. Its totient is φ = 1021202320000.

The previous prime is 1021202319989. The next prime is 1021202320027. The reversal of 1021202320001 is 1000232021201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1019342640625 + 1859679376 = 1009625^2 + 43124^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021202320001 - 2¹⁴ = 1021202303617 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021202320031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510601160000 + 510601160001.

It is an arithmetic number, because the mean of its divisors is an integer number (510601160001).

Almost surely, 2^{1021202320001} is an apocalyptic number.

It is an amenable number.

1021202320001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021202320001 is an equidigital number, since it uses as much as digits as its factorization.

1021202320001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1021202320001 its reverse (1000232021201), we get a palindrome (2021434341202).

The spelling of 1021202320001 in words is "one trillion, twenty-one billion, two hundred two million, three hundred twenty thousand, one".