11003231101 has 2 divisors, whose sum is σ = 11003231102. Its totient is φ = 11003231100.

The previous prime is 11003231093. The next prime is 11003231111. The reversal of 11003231101 is 10113230011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7098231001 + 3905000100 = 84251^2 + 62490^2 .

It is a cyclic number.

It is not a de Polignac number, because 11003231101 - 2³ = 11003231093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11003231111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501615550 + 5501615551.

It is an arithmetic number, because the mean of its divisors is an integer number (5501615551).

Almost surely, 2^11003231101 is an apocalyptic number.

It is an amenable number.

11003231101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11003231101 is an equidigital number, since it uses as much as digits as its factorization.

11003231101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11003231101 its reverse (10113230011), we get a palindrome (21116461112).

The spelling of 11003231101 in words is "eleven billion, three million, two hundred thirty-one thousand, one hundred one".