1002111112003 has 2 divisors, whose sum is σ = 1002111112004. Its totient is φ = 1002111112002.

The previous prime is 1002111111971. The next prime is 1002111112097. The reversal of 1002111112003 is 3002111112001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002111112003 - 2⁵ = 1002111111971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002111112103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501055556001 + 501055556002.

It is an arithmetic number, because the mean of its divisors is an integer number (501055556002).

Almost surely, 2^{1002111112003} is an apocalyptic number.

1002111112003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002111112003 is an equidigital number, since it uses as much as digits as its factorization.

1002111112003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1002111112003 its reverse (3002111112001), we get a palindrome (4004222224004).

The spelling of 1002111112003 in words is "one trillion, two billion, one hundred eleven million, one hundred twelve thousand, three".