1002021003353 has 2 divisors, whose sum is σ = 1002021003354. Its totient is φ = 1002021003352.

The previous prime is 1002021003349. The next prime is 1002021003421. The reversal of 1002021003353 is 3533001202001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 801144934489 + 200876068864 = 895067^2 + 448192^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002021003353 - 2² = 1002021003349 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002021003323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501010501676 + 501010501677.

It is an arithmetic number, because the mean of its divisors is an integer number (501010501677).

Almost surely, 2^{1002021003353} is an apocalyptic number.

It is an amenable number.

1002021003353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002021003353 is an equidigital number, since it uses as much as digits as its factorization.

1002021003353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 1002021003353 its reverse (3533001202001), we get a palindrome (4535022205354).

The spelling of 1002021003353 in words is "one trillion, two billion, twenty-one million, three thousand, three hundred fifty-three".