1111020103 has 2 divisors, whose sum is σ = 1111020104. Its totient is φ = 1111020102.

The previous prime is 1111020061. The next prime is 1111020121. The reversal of 1111020103 is 3010201111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111020103 - 2²¹ = 1108922951 is a prime.

It is a super-3 number, since 3×1111020103³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1111020103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111020803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555510051 + 555510052.

It is an arithmetic number, because the mean of its divisors is an integer number (555510052).

Almost surely, 2^1111020103 is an apocalyptic number.

1111020103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111020103 is an equidigital number, since it uses as much as digits as its factorization.

1111020103 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1111020103 is about 33331.9681837122. The cubic root of 1111020103 is about 1035.7158895431.

Adding to 1111020103 its reverse (3010201111), we get a palindrome (4121221214).

It can be divided in two parts, 11110 and 20103, that added together give a palindrome (31213).

The spelling of 1111020103 in words is "one billion, one hundred eleven million, twenty thousand, one hundred three".