1011012103 has 2 divisors, whose sum is σ = 1011012104. Its totient is φ = 1011012102.

The previous prime is 1011012061. The next prime is 1011012139. The reversal of 1011012103 is 3012101101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011012103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1011012103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011012803) 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, 505506051 + 505506052.

It is an arithmetic number, because the mean of its divisors is an integer number (505506052).

Almost surely, 2^1011012103 is an apocalyptic number.

1011012103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011012103 is an equidigital number, since it uses as much as digits as its factorization.

1011012103 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 1011012103 is about 31796.4165119279. The cubic root of 1011012103 is about 1003.6573087858.

Adding to 1011012103 its reverse (3012101101), we get a palindrome (4023113204).

The spelling of 1011012103 in words is "one billion, eleven million, twelve thousand, one hundred three".