11421011003 has 2 divisors, whose sum is σ = 11421011004. Its totient is φ = 11421011002.

The previous prime is 11421010999. The next prime is 11421011051. The reversal of 11421011003 is 30011012411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11421011003 - 2² = 11421010999 is a prime.

It is not a weakly prime, because it can be changed into another prime (11421011053) 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, 5710505501 + 5710505502.

It is an arithmetic number, because the mean of its divisors is an integer number (5710505502).

Almost surely, 2^11421011003 is an apocalyptic number.

11421011003 is a deficient number, since it is larger than the sum of its proper divisors (1).

11421011003 is an equidigital number, since it uses as much as digits as its factorization.

11421011003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11421011003 its reverse (30011012411), we get a palindrome (41432023414).

The spelling of 11421011003 in words is "eleven billion, four hundred twenty-one million, eleven thousand, three".