11103403021003 has 2 divisors, whose sum is σ = 11103403021004. Its totient is φ = 11103403021002.

The previous prime is 11103403020979. The next prime is 11103403021033. The reversal of 11103403021003 is 30012030430111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11103403021003 - 2²¹ = 11103400923851 is a prime.

It is not a weakly prime, because it can be changed into another prime (11103403021033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551701510501 + 5551701510502.

It is an arithmetic number, because the mean of its divisors is an integer number (5551701510502).

Almost surely, 2^{11103403021003} is an apocalyptic number.

11103403021003 is a deficient number, since it is larger than the sum of its proper divisors (1).

11103403021003 is an equidigital number, since it uses as much as digits as its factorization.

11103403021003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11103403021003 its reverse (30012030430111), we get a palindrome (41115433451114).

The spelling of 11103403021003 in words is "eleven trillion, one hundred three billion, four hundred three million, twenty-one thousand, three".