11123311201 has 4 divisors (see below), whose sum is σ = 11130813232. Its totient is φ = 11115809172.

The previous prime is 11123311103. The next prime is 11123311207. The reversal of 11123311201 is 10211332111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11123311201 - 2²⁹ = 10586440289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123311207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3748791 + ... + 3751756.

It is an arithmetic number, because the mean of its divisors is an integer number (2782703308).

Almost surely, 2^11123311201 is an apocalyptic number.

It is an amenable number.

11123311201 is a deficient number, since it is larger than the sum of its proper divisors (7502031).

11123311201 is an equidigital number, since it uses as much as digits as its factorization.

11123311201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7502030.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11123311201 its reverse (10211332111), we get a palindrome (21334643312).

The spelling of 11123311201 in words is "eleven billion, one hundred twenty-three million, three hundred eleven thousand, two hundred one".