1002021104993 has 2 divisors, whose sum is σ = 1002021104994. Its totient is φ = 1002021104992.

The previous prime is 1002021104983. The next prime is 1002021104999. The reversal of 1002021104993 is 3994011202001.

1002021104993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 600550602304 + 401470502689 = 774952^2 + 633617^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002021104993 - 2³⁶ = 933301628257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002021104999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501010552496 + 501010552497.

It is an arithmetic number, because the mean of its divisors is an integer number (501010552497).

Almost surely, 2^{1002021104993} is an apocalyptic number.

It is an amenable number.

1002021104993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002021104993 is an equidigital number, since it uses as much as digits as its factorization.

1002021104993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

Adding to 1002021104993 its reverse (3994011202001), we get a palindrome (4996032306994).

The spelling of 1002021104993 in words is "one trillion, two billion, twenty-one million, one hundred four thousand, nine hundred ninety-three".