1111002103 has 2 divisors, whose sum is σ = 1111002104. Its totient is φ = 1111002102.

The previous prime is 1111002091. The next prime is 1111002131. The reversal of 1111002103 is 3012001111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111002103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111002103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111002203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555501051 + 555501052.

It is an arithmetic number, because the mean of its divisors is an integer number (555501052).

Almost surely, 2^1111002103 is an apocalyptic number.

1111002103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111002103 is an equidigital number, since it uses as much as digits as its factorization.

1111002103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1111002103 is about 33331.6981715604. The cubic root of 1111002103 is about 1035.7102961889.

Adding to 1111002103 its reverse (3012001111), we get a palindrome (4123003214).

The spelling of 1111002103 in words is "one billion, one hundred eleven million, two thousand, one hundred three".