1002421823701 has 2 divisors, whose sum is σ = 1002421823702. Its totient is φ = 1002421823700.

The previous prime is 1002421823699. The next prime is 1002421823839. The reversal of 1002421823701 is 1073281242001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 675010128100 + 327411695601 = 821590^2 + 572199^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002421823701 - 2¹ = 1002421823699 is a prime.

Together with 1002421823699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002428823701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501210911850 + 501210911851.

It is an arithmetic number, because the mean of its divisors is an integer number (501210911851).

Almost surely, 2^{1002421823701} is an apocalyptic number.

It is an amenable number.

1002421823701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002421823701 is an equidigital number, since it uses as much as digits as its factorization.

1002421823701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 1002421823701 in words is "one trillion, two billion, four hundred twenty-one million, eight hundred twenty-three thousand, seven hundred one".