11121010012003 has 2 divisors, whose sum is σ = 11121010012004. Its totient is φ = 11121010012002.

The previous prime is 11121010011997. The next prime is 11121010012033. The reversal of 11121010012003 is 30021001012111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11121010012003 - 2¹⁷ = 11121009880931 is a prime.

It is not a weakly prime, because it can be changed into another prime (11121010012033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560505006001 + 5560505006002.

It is an arithmetic number, because the mean of its divisors is an integer number (5560505006002).

Almost surely, 2^{11121010012003} is an apocalyptic number.

11121010012003 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121010012003 is an equidigital number, since it uses as much as digits as its factorization.

11121010012003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11121010012003 its reverse (30021001012111), we get a palindrome (41142011024114).

The spelling of 11121010012003 in words is "eleven trillion, one hundred twenty-one billion, ten million, twelve thousand, three".