11103311033 has 2 divisors, whose sum is σ = 11103311034. Its totient is φ = 11103311032.

The previous prime is 11103310961. The next prime is 11103311041. The reversal of 11103311033 is 33011330111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10907086969 + 196224064 = 104437^2 + 14008^2 .

It is a cyclic number.

It is not a de Polignac number, because 11103311033 - 2²⁸ = 10834875577 is a prime.

It is not a weakly prime, because it can be changed into another prime (11103311053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551655516 + 5551655517.

It is an arithmetic number, because the mean of its divisors is an integer number (5551655517).

Almost surely, 2^11103311033 is an apocalyptic number.

It is an amenable number.

11103311033 is a deficient number, since it is larger than the sum of its proper divisors (1).

11103311033 is an equidigital number, since it uses as much as digits as its factorization.

11103311033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 11103311033 its reverse (33011330111), we get a palindrome (44114641144).

The spelling of 11103311033 in words is "eleven billion, one hundred three million, three hundred eleven thousand, thirty-three".