11102312003 has 2 divisors, whose sum is σ = 11102312004. Its totient is φ = 11102312002.

The previous prime is 11102311999. The next prime is 11102312017. The reversal of 11102312003 is 30021320111.

It is an a-pointer prime, because the next prime (11102312017) can be obtained adding 11102312003 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11102312003 - 2² = 11102311999 is a prime.

It is a super-2 number, since 2×11102312003² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11102312033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551156001 + 5551156002.

It is an arithmetic number, because the mean of its divisors is an integer number (5551156002).

Almost surely, 2^11102312003 is an apocalyptic number.

11102312003 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102312003 is an equidigital number, since it uses as much as digits as its factorization.

11102312003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11102312003 its reverse (30021320111), we get a palindrome (41123632114).

The spelling of 11102312003 in words is "eleven billion, one hundred two million, three hundred twelve thousand, three".