11012111003 has 2 divisors, whose sum is σ = 11012111004. Its totient is φ = 11012111002.

The previous prime is 11012110979. The next prime is 11012111023. The reversal of 11012111003 is 30011121011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11012111003 - 2³² = 6717143707 is a prime.

It is not a weakly prime, because it can be changed into another prime (11012111023) 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, 5506055501 + 5506055502.

It is an arithmetic number, because the mean of its divisors is an integer number (5506055502).

Almost surely, 2^11012111003 is an apocalyptic number.

11012111003 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012111003 is an equidigital number, since it uses as much as digits as its factorization.

11012111003 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 11.

Adding to 11012111003 its reverse (30011121011), we get a palindrome (41023232014).

The spelling of 11012111003 in words is "eleven billion, twelve million, one hundred eleven thousand, three".