11211013003 has 4 divisors (see below), whose sum is σ = 11352924640. Its totient is φ = 11069101368.

The previous prime is 11211012983. The next prime is 11211013007. The reversal of 11211013003 is 30031011211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11211013003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211013007) 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 in 3 ways as a sum of consecutive naturals, for example, 70955700 + ... + 70955857.

It is an arithmetic number, because the mean of its divisors is an integer number (2838231160).

Almost surely, 2^11211013003 is an apocalyptic number.

11211013003 is a deficient number, since it is larger than the sum of its proper divisors (141911637).

11211013003 is an equidigital number, since it uses as much as digits as its factorization.

11211013003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141911636.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11211013003 its reverse (30031011211), we get a palindrome (41242024214).

The spelling of 11211013003 in words is "eleven billion, two hundred eleven million, thirteen thousand, three".