1002021103247 has 2 divisors, whose sum is σ = 1002021103248. Its totient is φ = 1002021103246.

The previous prime is 1002021103147. The next prime is 1002021103253. The reversal of 1002021103247 is 7423011202001.

It is a strong prime.

It is an emirp because it is prime and its reverse (7423011202001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002021103247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002021103147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501010551623 + 501010551624.

It is an arithmetic number, because the mean of its divisors is an integer number (501010551624).

Almost surely, 2^{1002021103247} is an apocalyptic number.

1002021103247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002021103247 is an equidigital number, since it uses as much as digits as its factorization.

1002021103247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 1002021103247 its reverse (7423011202001), we get a palindrome (8425032305248).

The spelling of 1002021103247 in words is "one trillion, two billion, twenty-one million, one hundred three thousand, two hundred forty-seven".