1002103000091 has 2 divisors, whose sum is σ = 1002103000092. Its totient is φ = 1002103000090.

The previous prime is 1002103000009. The next prime is 1002103000103. The reversal of 1002103000091 is 1900003012001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002103000091 - 2¹⁸ = 1002102737947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002103000391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501051500045 + 501051500046.

It is an arithmetic number, because the mean of its divisors is an integer number (501051500046).

Almost surely, 2^{1002103000091} is an apocalyptic number.

1002103000091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002103000091 is an equidigital number, since it uses as much as digits as its factorization.

1002103000091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1002103000091 its reverse (1900003012001), we get a palindrome (2902106012092).

The spelling of 1002103000091 in words is "one trillion, two billion, one hundred three million, ninety-one", and thus it is an aban number.